SOCR Events May2008 C7 S1

From Socr

Contents 1 SOCR May 2008 Event - Use percentiles and measures of variability to analyze data 1.1 Compute different measures of spread, including the range, standard deviation, and interquartile range 1.2 Compare the effectiveness of different measures of spread, including the range, standard deviation, and interquartile range in specific situations 1.3 Use percentiles to summarize the distribution of a numerical variable 1.4 Use histograms to obtain percentiles 2 References

SOCR May 2008 Event - Use percentiles and measures of variability to analyze data

Compute different measures of spread, including the range, standard deviation, and interquartile range

Compare the effectiveness of different measures of spread, including the range, standard deviation, and interquartile range in specific situations

Use percentiles to summarize the distribution of a numerical variable

Copy the first 200 measurements of the Human Height and Weight Dataset into the SOCR Histogram Chart, map the Heights column and choose the bin-size to be 0.1 - this corresponds roughly to plotting the percentiles for this data.

Use histograms to obtain percentiles

References

• Utah Secondary Core Curriculum Standards for Statistics
• Interactive Statistics Education EBook
• SOCR Home page: http://www.socr.ucla.edu

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