AP Statistics Curriculum 2007 EDA Shape

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*The amount of time spent by students on a difficult exam.
*The amount of time spent by students on a difficult exam.
*The grade distribution on a difficult exam.
*The grade distribution on a difficult exam.
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===Model Validation===
 
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Checking/affirming underlying assumptions.
 
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* TBD
 
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===Computational Resources: Internet-based SOCR Tools===
 
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* TBD
 
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===Examples===
 
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Computer simulations and real observed data.
 
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* TBD
 
   
   
===Hands-on activities===
===Hands-on activities===
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Step-by-step practice problems.  
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* [[SOCR_EduMaterials_Activities_RNG | You can generate data using the SOCR Modeler as shown here]].
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* [[SOCR_EduMaterials_ModelerActivities_MixtureModel_1 | Try fitting multi-model mixture models to samples of 2 Normal distributions with very different centers]]
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* TBD
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<hr>
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===References===
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* TBD
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<hr>
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Revision as of 01:06, 28 January 2008

Contents

General Advance-Placement (AP) Statistics Curriculum - Measures of Shape

Definitions

  • A distribution is unimodal if it has one mode. Unimodal distributions include:
    • Bell shaped distributions (symmetric, Normal)
    • Skewed right
    • Skewed Left
  • Multimodal distributions have two or more than one modes. Examples of multimodal distributions are:

Examples

What seems like a logical choice for the shape of the hot dog calorie data? Try looking at the histogram of the calories for the Hot-dogs dataset.

Activities

Collect data, draw the sample histogram or dot-plot and classify the shape of the distribution accordingly. Also, if unimodal, classify symmetry (symmetric, skewed right or skewed left).

  • Data collected on height of randomly sampled college students.
  • Data collected on height of randomly sampled female college students.
  • The salaries of all persons employed by a large university.
  • The amount of time spent by students on a difficult exam.
  • The grade distribution on a difficult exam.

Hands-on activities




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