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- SOCR EduMaterials Activities Bivariate …'''Setting''': This experiment consists of selecting values for the random variables X and Y which are jointly normally distributed as a bivariate normal f(X,…4 KB (598 words) - 17:03, 9 July 2007
- SOCR EduMaterials Activities CLT == Distribution of the sample average of several IID random variables== …hat the Central Limit holds regardless of the distribution of the original random variable if n is large enough ===8 KB (1360 words) - 04:20, 19 October 2006
- SOCR EduMaterials Surveys Fall2005Sanchez Results <li class="MsoNormal" style="color: red;">Probability, random variables, discrete cases</li>37 KB (5115 words) - 16:48, 12 June 2006
- About pages for SOCR Experiments random chord of a circle. In the <span class="SpellE">simulation, one</span> point of the chord is fixed at (1, 0) and the other random point (X, Y)151 KB (24003 words) - 22:20, 5 July 2008
- Help pages for SOCR Analyses # Use random dataset generated by the SOCR Analyses '''RANDOM EXAMPLE''' button. … '''MAPPING''' button must be clicked to map the variables, e.g. assigning variables to either the regressor or the response, in a simple linear regression.3 KB (403 words) - 05:30, 2 December 2008
- SOCR EduMaterials Activities MontyHall '''a.''' There are three random variables (<math> G, S, W </math>) and one parameter (<math> p </math>) involved in …2 KB (422 words) - 23:46, 8 February 2008
- SOCR EduMaterials Activities DiceExperiment The following random variables are recorded on each update: Any one of these variables can be selected with a list box. The density and moments of the selected v…4 KB (662 words) - 21:26, 24 January 2008
- SOCR EduMaterials Activities CoinDieExperiment * There are two random variables (<math> X, \ Y </math>), one parameter (<math> p </math>) for the coin, an…4 KB (589 words) - 22:01, 12 September 2008
- SOCR EduMaterials Activities LawOfLargeNumbers … The graph panel in the middle will dynamically plot the values of the two variables of interest (''proportion of heads'' and ''difference of Heads and Tails''… … interactively several times. Notice the behavior of the graphs of the two variables we study. Try to pose and answer questions like these:14 KB (2255 words) - 22:33, 16 January 2009
- SOCR EduMaterials Activities LawOfLargeNumbers2 …ill display the theoretical distribution and the sample histogram for this random experiment (for the proportion of Heads). One would expect to obtain a goo… … interactively several times. Notice the behavior of the graphs of the two variables we study. Try to pose and answer questions like these:9 KB (1479 words) - 18:10, 20 February 2007
- SOCR EduMaterials Activities RNG …EduMaterials_Activities | SOCR Educational Materials - Activities]] - SOCR Random Number Generation (RNG) Activity == This activity describes the need, general methods and SOCR utilities for random number generation and simulation. [http://www.socr.ucla.edu/htmls/SOCR_Mod…8 KB (1222 words) - 01:32, 3 May 2008
- SOCR EduMaterials Activities 2D PointSegmentation EM Mixture …bservations) either via the Data-Tab, using copy-and-paste, or via the add random points button ('''RandomPts'''). This applet was designed specifically so … … techniques. Kernel locations are generally non trivial to choose - we use random initial kernel locations ('''InitKernels''' button). The '''drop-down list…12 KB (1803 words) - 21:01, 25 May 2016
- SOCR EduMaterials Activities BallAndRunExperiment With a total of ''n'' balls chosen at random from an urn, ''R'' are red and ''(N-R)'' are green. For every trial, the n… … chosen without bias and develop a common sense about the behaviors of the variables.5 KB (760 words) - 17:29, 4 October 2008
- SOCR EduMaterials Activities CoinSampleExperiment …'n'' coins being tossed with the probability ''p'' of heads as an outcome. Random variable Ij gives the outcome for coin ''j'' with 1 representing heads and… The coin sample experiment is significant for random, categorical variables that may be represented by the Bernoulli distribution [[http://wiki.stat.u…3 KB (440 words) - 18:34, 6 February 2008
- SOCR EduMaterials Activities BirthdayExperiment … of size ''n'' with replacement is drawn during every run. V is the random variables of interest which represent the number of distinct values in the sample, a… …he purpose of this experiment is to draw attention toward the behaviors of random sampling with replacement. The [[SOCR_EduMaterials_Activities_Birthday |se…7 KB (1022 words) - 15:55, 4 April 2008
- SOCR EduMaterials Activities BetaCoinExperiment The Beta Coin Experiment is a random experiment that involves tossing a coin, where the probability of heads is… …etermining the effects of manipulating the probability of two quantitative variables (e.g. heads/tails, success/failure, hot/cold, etc.) from a population and …4 KB (669 words) - 00:58, 16 May 2007
- SOCR EduMaterials Activities CrapsExperiment Random variables X and Y denote the outcomes of the first roll and random variables U and V denote the outcome of the last roll. On each update, these values … …gambling. For example, utilizing this experiment in any event that suggest random sampling but in reality, the likelihood of a success is low compared to fa…5 KB (827 words) - 16:31, 11 May 2007
- SOCR EduMaterials Activities CouponCollectorExperiment Random variable W gives the sample size and is recorded in the first table on eac… To provide a demonstration illustrating events involving random sampling with replacement. Users should obtain a general understanding of …4 KB (584 words) - 01:56, 16 May 2007
- SOCR EduMaterials Activities DiceSampleExperiment To provide a simulation of random processes with distribution tables and graphs. It allows flexibility as th… …sers to understand the different outcomes when drawing the selected random variables with varying probabilities.3 KB (487 words) - 00:58, 19 May 2007
- SOCR EduMaterials Activities DieCoinExperiment …sers to understand the different outcomes when drawing the selected random variables with a varying probability.4 KB (593 words) - 21:30, 13 June 2007
- SOCR EduMaterials Activities LawOfLargeNumbersExperiment …s be similar to the blue distribution graph and the green streak will seem random. The image below shows this: …t and validity of tossing coins repeatedly. In this experiment, two random variables are associated with this process. The first variable will be the proportio…4 KB (567 words) - 17:30, 18 December 2007
- SOCR EduMaterials Activities RandomWalkExperiment == Random Walk Experiment == … variables is recorded in the first table on each update. Any of the three variables can be selected from the list box. The density and moments of the selected…4 KB (575 words) - 07:45, 25 May 2007
- SOCR EduMaterials Activities RandomVariableExperiment == Random Variable Experiment == The experiment simulates a value of a random variable with a specified distribution. The value is recorded on each upda…7 KB (1031 words) - 02:21, 30 January 2008
- SOCR EduMaterials Activities ProportionTestExperiment The experiment is to select a random sample of size ''n'' from the Bernoulli distribution with parameter ''p'',… Variables L and R denote the left and right endpoints of the confidence interval and…5 KB (813 words) - 02:43, 27 May 2007
- SOCR EduMaterials Activities ProportionEstimateExperiment The experiment is to select a random sample of size ''n'' from the Bernoulli distribution with parameter ''p'',… Variables L and R denote the left and right endpoints of the confidence interval and…5 KB (739 words) - 07:53, 25 May 2007
- Probability and statistics EBook … How do we model the rest of the processes that are unpredictable and have random characteristics? …er observed measurements (responses or dependent variables). Both types of variables are associated with specific observational units (living beings, component…31 KB (4243 words) - 15:39, 3 September 2014
- SOCR EduMaterials Activities VarianceEstimateExperiment …ensity and the critical values of V are shown in blue in the second graph. Variables L and R denote the left and right endpoints of the confidence interval and…5 KB (746 words) - 05:39, 1 June 2007
- SOCR EduMaterials AnalysisActivities SLR ** Scatter plots of the dependent vs. independent variables * Generate random data by clicking on the '''Random Example''' button.6 KB (911 words) - 19:24, 13 August 2012
- AP Statistics Curriculum 2007 IntroVar …ase (AD) patients. The investigators made every attempt to control as many variables as possible. Yet, the demographic information they collected from the outc… * [[SOCR_EduMaterials_Activities_RNG | (Numeric Pseudo-Random) Data Generation]]5 KB (705 words) - 17:48, 31 March 2013
- EBook Problems EDA Pics Two random samples were taken to determine backpack load difference between seniors a… A researcher has collected the following information on a random sample of 200 adults in the 40-50 age range:8 KB (1390 words) - 05:20, 25 January 2009
- AP Statistics Curriculum 2007 IntroDesign …er observed measurements (responses or dependent variables). Both types of variables are associated with specific observational units (living beings, component… … inference on relationships and influences between controlled and observed variables.9 KB (1243 words) - 19:22, 28 December 2010
- AP Statistics Curriculum 2007 IntroTools … our sample size is large enough. These weight and height measurements are random (i.e., we do not have repeated measurements of the same student or twin-me… …s/SOCR_Modeler.html SOCR Modeler] and [[SOCR_EduMaterials_Activities_RNG | Random Number Generation Activity]]8 KB (1214 words) - 15:54, 5 April 2013
- AP Statistics Curriculum 2007 Prob Rules Suppose X and Y are jointly continuous random variables with a joint density \(ƒ_{X,Y}(x,y)\). If ''A'' and ''B'' (non-trivial) a…13 KB (2177 words) - 15:46, 19 April 2013
- AP Statistics Curriculum 2007 Distrib RV …lum_2007 | General Advance-Placement (AP) Statistics Curriculum]] - Random Variables and Probability Distributions== === Random Variables===14 KB (2166 words) - 18:44, 18 March 2016
- AP Statistics Curriculum 2007 Distrib Binomial …nce-Placement (AP) Statistics Curriculum]] - Bernoulli and Binomial Random Variables and Experiments== A Bernoulli trial is an experiment whose dichotomous outcomes are random (e.g., "success" vs. "failure", "head" vs. "tail", +/-, "yes" vs. "no", et…8 KB (1170 words) - 18:21, 2 February 2011
- AP Statistics Curriculum 2007 Distrib Dists …tistics Curriculum]] - Geometric, HyperGeometric, Negative Binomial Random Variables and Experiments== …lum_2007_Distrib_MeanVar | Expected Value]] of a geometrically distributed random variable ''X'' is <math>{1\over p}.</math> This is because [http://en.wiki…27 KB (4076 words) - 19:41, 23 June 2012
- AP Statistics Curriculum 2007 Distrib Poisson … | General Advance-Placement (AP) Statistics Curriculum]] - Poisson Random Variables and Experiments== === Poisson Random Variables and Experiments===7 KB (1135 words) - 16:52, 3 February 2012
- AP Statistics Curriculum 2007 Normal Std …| General Advance-Placement (AP) Statistics Curriculum]] - Standard Normal Variables and Experiments== …ltage.) Denote <math>X_i</math>={measured voltage for battery i} - this is random variable with mean of 0 and unitary variance. Assume the distribution of a…6 KB (845 words) - 16:34, 8 February 2012
- AP Statistics Curriculum 2007 Normal Prob …ns (Suppose ''X'' denotes General and ''Z'' denotes Standard Normal Random Variables): ====Sums and averages of independent Normal random variables====9 KB (1377 words) - 15:54, 3 May 2013
- AP Statistics Curriculum 2007 Normal Critical …ath>) and ''Z'' denotes Standard (<math>Z\sim N(0,1)</math>) Normal random variables): …stributed with a mean of $195 and a standard deviation of $20. If we ask a random college students from this population how much she spent on books this sem…4 KB (505 words) - 15:56, 3 May 2013
- AP Statistics Curriculum 2007 Limits CLT … genome. After completing the sequencing of the genome, each lab selects a random segment of 1,000,000 base-pairs and counts the number of ATC codons in eve… …ny sum or average of (many) independent and identically-distributed random variables will tend to be distributed according to a particular ''Attractor Distribu…7 KB (1113 words) - 20:17, 28 June 2010
- AP Statistics Curriculum 2007 Limits LLN … The graph panel in the middle will dynamically plot the values of the two variables of interest (''proportion of heads'' and ''difference of Heads and Tails''… …n.wikipedia.org/wiki/E_%28mathematical_constant%29 natural number e] using random sampling from [http://socr.ucla.edu/htmls/dist/ContinuousUniform_Distribut…6 KB (977 words) - 16:49, 17 February 2012
- AP Statistics Curriculum 2007 Estim Proportion …istics_Curriculum_2007_Limits_Norm2Bin |sample average or Bernoulli random variables]]. When the sample size is small, the normal approximation may be inadequa…7 KB (1105 words) - 01:32, 11 March 2011
- AP Statistics Curriculum 2007 Hypothesis Proportion …istics_Curriculum_2007_Limits_Norm2Bin |sample average or Bernoulli random variables]]. When the sample size is small, the normal approximation may be inadequa…6 KB (927 words) - 00:22, 24 April 2013
- AP Statistics Curriculum 2007 Hypothesis Var For Normally distributed random variables, given <math>H_o: \sigma^2 = \sigma_o^2</math> vs. <math>H_1: \sigma^2 \no… * Example: A random sample of size 30 drawn from a Normal distribution has sample-variance <ma…6 KB (886 words) - 16:38, 1 May 2008
- AP Statistics Curriculum 2007 Infer 2Means Dep …ious chapter we saw how to do significance testing in the case of a single random sample]]. Now, we show how to do hypothesis testing comparing two samples … …hat members of a pair are similar to each other with respect to extraneous variables.14 KB (2021 words) - 20:05, 17 June 2013
- AP Statistics Curriculum 2007 GLM Corr …cations involve the analysis of relationships, if any, between two or more variables involved in the process of interest. We begin with the simplest of all sit… …ring around a line of multivariate data. The main relationship between two variables (''X, Y'') can be summarized by: <math>(\mu_X, \sigma_X)</math>, <math>(\m…14 KB (2016 words) - 14:49, 15 August 2016
- AP Statistics Curriculum 2007 GLM MultLin …relations in bivariate designs. Now we extend that to any finite number of variables (multivariate case). …ship between one '''dependent''' variable ''Y'' and many '''independent''' variables ''X''<sub>''i''</sub>, ''i'' = 1, ..., ''p''. The multilinear regression m…23 KB (3584 words) - 00:02, 2 May 2013
- AP Statistics Curriculum 2007 Contingency Indep …quare Test may also be used to assess independence and association between variables. …ngency table is to investigate the relationship between the row and column variables10 KB (1503 words) - 21:12, 28 June 2010
- AP Statistics Curriculum 2007 MultiVar ANOVA …he multiple dependent variables, for various categories of the independent variables. There are several specific use-cases for MANOVA. …tegorical independent variables on group differences in a set of dependent variables.20 KB (3157 words) - 21:31, 2 March 2009
- SOCR EduMaterials AnalysisActivities MLR …t. However, SOCR Multiple Linear Regression allows one or more independent variables. In the linear model, the error is assumed to follow a standard normal dis… ** Scatter plots of the dependent vs. independent variables7 KB (1126 words) - 17:08, 24 September 2012
- SOCR EduMaterials Activities NormalDistribution *'''Exercise 1:''' Does it matter if the variables are random or chosen when using the normal distribution? Why or why not?3 KB (446 words) - 19:16, 11 May 2008
- SOCR Courses 2007 2008 Stat13 1 Lab2 There are two random variables (X,Y ), one parameter (p) for the coin, and the probability distribution t…2 KB (254 words) - 04:21, 1 April 2008
- SOCR EduMaterials FunctorActivities Bernoulli Distributions …''' Use SOCR to graph and print the MGF of the distribution of a geometric random variable with <math> p=0.2, p=0.7 </math>. What is the shape of this fun… …how that the MGF of the sum of <math>n</math> independent Geometric Random Variables with success probability <math> p </math> is the same as the MGF of the Ne…2 KB (392 words) - 06:28, 9 January 2008
- SOCR EduMaterials Activities Binomial PGF …''' Use SOCR to graph and print the PGF of the distribution of a geometric random variable with <math> p=0.1, p=0.8 </math>. What is the shape of this fun… …how that the PGF of the sum of <math>n</math> independent Geometric Random Variables with success probability <math> p </math> is the same as the MGF of the Ne…2 KB (369 words) - 18:36, 9 January 2008
- SOCR EduMaterials Activities ExpCarTimeExperiment …ne trial will be executed that involves sampling k random exponential time variables (representing the between car times). The results will be displayed graphi… …ram of the between-car times and theoretical Exponential distribution, the random sample of between-car times (Y column of left table) and the similarity be…7 KB (1028 words) - 02:03, 21 January 2008
- AP Statistics Curriculum 2007 EDA DataTypes ===Types of Variables=== …ariables, but we need to analyze frequencies of occurrence for qualitative variables.4 KB (608 words) - 18:49, 28 June 2010
- AP Statistics Curriculum 2007 EDA Statistics Variables can be summarized using statistics. ** Random variables are always denoted by capital letters (e.g., ''X, Y, U, W'', etc.) and spe…3 KB (400 words) - 18:59, 28 June 2010
- AP Statistics Curriculum 2007 Distrib MeanVar The Expected Value, Expectation or Mean, of a discrete random variable X is defined by <math>E[X]=\sum_x{xP(X=x)}.</math> The expectation of a continuous random variable Y is analogously defined by <math>E[Y]=\int{yP(y)dy}</math>, wher…13 KB (2145 words) - 15:00, 21 May 2015
- AP Statistics Curriculum 2007 StudentsT …ppose ''X''<sub>1</sub>, ..., ''X''<sub>''n''</sub> are independent random variables that are Normally distributed with expected value μ and variance &sigma… …eer from a herd during the seasonal round-up. He measured the weight of a random sample of 102 reindeer in the herd, and found the sample mean and standard…7 KB (1002 words) - 00:24, 11 March 2011
- SOCR Events May2008 * Collect, record, organize, and display a set of data with at least two variables * Determine whether the relationship between two variables is approximately linear or nonlinear by examination of a scatter plot7 KB (1060 words) - 15:57, 25 April 2008
- SOCR Events May2008 C6 S1 …Define simple [[AP_Statistics_Curriculum_2007_Distrib_RV | discrete random variables]]===1 KB (176 words) - 23:49, 8 February 2008
- SOCR Events May2008 C8 S1 …ain sample spaces and probability distributions for simple discrete random variables=== …lum_2007_Distrib_MeanVar#Examples | means and variances of discrete random variables]]===1 KB (178 words) - 00:34, 9 February 2008
- SOCR Events July2008 * Collect, record, organize, and display a set of data with at least two variables * Determine whether the relationship between two variables is approximately linear or nonlinear by examination of a scatter plot8 KB (1035 words) - 22:01, 24 July 2008
- AP Statistics Curriculum 2007 Distrib Multinomial …eneral Advance-Placement (AP) Statistics Curriculum]] - Multinomial Random Variables and Experiments== Since each diagonal entry is the variance of a binomially distributed random variable, the [[AP_Statistics_Curriculum_2007_Distrib_MeanVar#Properties_o…9 KB (1322 words) - 01:41, 17 April 2013
- EBook:Print versions :[[ EBook/Random Variables|Random Variables]] = Random Variables =10 KB (1248 words) - 21:56, 7 March 2008
- EBook/Print versions :[[ EBook/Random Variables|Random Variables]] = Random Variables =10 KB (1246 words) - 23:07, 7 March 2008
- SOCR Events July2008 C6 S1 …Define simple [[AP_Statistics_Curriculum_2007_Distrib_RV | discrete random variables]]===1 KB (158 words) - 23:18, 24 July 2008
- SOCR Events July2008 C8 S1 …ain sample spaces and probability distributions for simple discrete random variables=== …lum_2007_Distrib_MeanVar#Examples | means and variances of discrete random variables]]===1 KB (155 words) - 23:15, 24 July 2008
- SOCR Courses 2008 2009 Stat13 1 Lab2 …ns each die (green or red) involved in this experiment. Describe what each random variable represents.2 KB (311 words) - 02:19, 21 October 2008
- EBook Problems … How do we model the rest of the processes that are unpredictable and have random characteristics? …er observed measurements (responses or dependent variables). Both types of variables are associated with specific observational units (living beings, component…26 KB (3400 words) - 06:37, 14 December 2010
- EBook Problems GLM Corr A positive correlation between two variables X and Y means that if X increases, this will cause the value of Y to incre… …ecreases as stress levels increase. Suppose you were given this data for a random sample of 200 adults. If you calculated the Pearson coefficient of correla…20 KB (3359 words) - 07:33, 6 January 2009
- EBook Problems EDA Shape …ly voters in Los Angeles intend to vote for Mayor James. Suppose we take a random sample of 1000 likely Los Angeles voters. For every person in our sample w… From what kinds of variables sould a histogram be generated?3 KB (447 words) - 19:48, 8 January 2009
- EBook Problems EDA IntroDesign :''(b) When possible confounding variables have been ruled out. …os Angeles Times about Dr. Greschwind’s research, determine the response variables in the study.25 KB (4074 words) - 04:37, 26 October 2009
- SOCR Wiki Activities Project …| California Ozone data]], to render a 3D plot of 2 spatial and 1 altitude variables, or use the [[SOCR_Data_US_Elections_Counties2004| multivariate US populat… ====Random Rectangle Areas Activity====5 KB (805 words) - 00:25, 13 April 2011
- EBook Problems Distrib RV … EBook Problems Set]] - [[AP_Statistics_Curriculum_2007_Distrib_RV |Random Variables]]== In a litter of seven kittens, three are female. You pick two kittens at random. The probability model for the number of male kittens is:2 KB (274 words) - 23:40, 28 December 2008
- AP Statistics Curriculum 2007 Bayesian Prelim …ocess <math>\star</math>. If <math>X</math> and <math>Y</math> are random variables, we can say3 KB (475 words) - 18:32, 20 December 2010
- AP Statistics Curriculum 2007 Bayesian Gibbs …e of samples from the joint probability distribution of two or more random variables. The purpose of this sequence is to approximate the joint distribution, or…1 KB (160 words) - 21:17, 28 June 2010
- SOCR EduMaterials Activities General CI Experiment Let <math>X_1, X_2, \cdots, X_n</math> be a random sample from <math>N(\mu, \sigma)</math>. We know that <math>\bar X \sim N… … ''95% confidence interval'' for the population mean <math>\mu</math> if a random sample of n=16 of these iron rods has sample mean <math>\bar x=6 \ m</math…38 KB (5560 words) - 00:53, 1 June 2011
- SOCR Data LA Neighborhoods Data * Variables …diversity index measures the probability that any two residents, chosen at random, would be of different ethnicities. If all residents are of the same ethni…29 KB (1987 words) - 15:49, 29 April 2013
- SOCR Courses 2009 2010 Stat13 1 Lab2 …ns each die (green or red) involved in this experiment. Describe what each random variable represents.2 KB (311 words) - 05:55, 24 November 2009
- SOCR Events LAUSD Oct2013 …geometric, hypergeometric). Regression analysis. Explore relations between variables through scatterplots. Fit a straight line to data, compute intercept and s… **** Use random sampling to draw inferences about a population (e.g., [http://www.distribu…13 KB (1802 words) - 13:10, 18 October 2013
- SOCR Distributome Project … continuous processes, e.g., rolling a hexagonal (6-face) die or picking a random number in the range [0:1]. Most (but not all) probability mass, density an…7 KB (901 words) - 19:40, 6 April 2013
- SOCR Courses 2010 2011 Stat13 1 Lab2 …ns each die (green or red) involved in this experiment. Describe what each random variable represents.2 KB (321 words) - 16:49, 14 January 2011
- AP Statistics Curriculum 2007 MultivariateNormal …udy different associations (e.g., correlations) between real-valued random variables. In k-dimensions, a random vector <math>X = (X_1, \cdots, X_k)</math> is multivariate normally distri…6 KB (862 words) - 00:08, 22 July 2012
- EBook Problems MultivariateNormal …oil as shown. Suppose A, B, and C are modeled as independent normal random variables as …e first need to have the PDF of S. As a linear combination of three normal variables, S itself is normal, with parameters18 KB (2914 words) - 01:17, 25 January 2011
- AP Statistics Curriculum 2007 Chi-Square …]: The F distribution is distribution of two independent chi-square random variables, divided by their respective degrees of freedom [link to Fisher’s F, ANO…4 KB (601 words) - 17:13, 19 March 2019
- AP Statistics Curriculum 2007 Gamma *x is a random variable <br />'''Expectation''': The expected value of a gamma distributed random variable x is6 KB (853 words) - 17:40, 23 June 2012
- AP Statistics Curriculum 2007 Laplace *x is a random variable *x is a random variable6 KB (876 words) - 23:12, 23 July 2011
- SOCR Data CaliforniaLottery2011 …e drawn using mechanical machines] selecting sets of ball one at a time at random. * '''Variables''':89 KB (4686 words) - 18:35, 15 July 2011
- SOCR Courses 2011 2012 Stat13 1 Lab2 …ns each die (green or red) involved in this experiment. Describe what each random variable represents.2 KB (367 words) - 23:51, 24 January 2012
- SOCR Data NIPS InfantVitK ShotData The body density dataset includes the following 15 variables listed from left to right: * '''Index''': Index of the observation (random ordering within each group, group 1 followed by group 2)8 KB (621 words) - 23:33, 10 April 2012
- SOCR BivariateNormal JS Activity …ow how correlation influences the distribution of two normally-distributed variables. Demonstrate that when X and Y have joint bivariate normal distribution wi… * In general, when X and Y are jointly continuous random variables with a joint density \(ƒ_{X,Y}(x,y)\), if ''A'' and ''B'' (non-trivial) a…13 KB (2046 words) - 17:15, 1 May 2013
- SOCR Courses 2012 2013 Stat13 1 Lab2 …ns each die (green or red) involved in this experiment. Describe what each random variable represents.2 KB (367 words) - 01:53, 26 February 2013
- SOCR Events LAUSD Mar2013 **** Use random sampling to draw inferences about a population (e.g., [http://www.distribu… …3.0 Students demonstrate an understanding of the notion of discrete random variables by using them to solve for the probabilities of outcomes, such as the prob…11 KB (1597 words) - 21:52, 18 March 2013
- SOCR Distributome Game2 Probability mass/density functions describe the likelihood of random variables to take certain values. The [http://distributome.org/ Probability Distribu… …st shows an example of 4 randomly selected distributions and corresponding random samples of size 100 from each of these distributions.7 KB (1005 words) - 20:33, 6 April 2013
- SOCR ResamplingSimulation Docs …r controls for selection/generation of datasets, random samples, Inference variables and plots. Other very specific controls are localized geographically near … …nd visualize it with the action buttons present in the box containing that random sample. The user interface works best on computer browsers. Mobile browser…18 KB (2871 words) - 18:47, 17 February 2014
