# SOCR Events July2008 C7 S1

## Contents

- 1 SOCR CensusAtSchool International Workshop - Percentiles and measures of data variability
- 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 CensusAtSchool International Workshop - Percentiles and measures of data variability

### 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.

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### Use histograms to obtain percentiles

## References

- Interactive Statistics Education EBook
- SOCR Home page: http://www.socr.ucla.edu

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