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MA 336 CUNY Queensborough College Calculation of Variance & Type of Data Questions

MA 336 CUNY Queensborough College Calculation of Variance & Type of Data Questions

Question Description

Your friend Joan from New Zealand is currently taking statistics and has emailed you forhelp in understanding what mean, median, and mode are as well as the idea of variance andstandard deviation. Write back to Joan by explaining what mean, median, and mode areand for what types of data they are suited for. Discuss the pros and cons of each. ProvideJoan with simple examples to illustrate how mean, median, and mode are computed. Also,explain to Joan the purpose of variance. What does variance measure exactly? How doesone compute variance for sample data versus population data? What is the relation of variance to standard deviation. Illustrate these ideas for Joan by constructing two imaginarysample data sets (with at least five data values) which have the same mean but very differentvariances. Compute the variance and standard deviation for your data sets and explain themeaning of the results to Joan.

This assignment should be at 2-4 pages in length and double spaced with one inch marginsall around.


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