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Shoes
The histograms show the number of pairs of shoes reported for 300 males and for 300 females. Descriptive statistics are also shown.
(Source: StatCrunch Responses to Shoe Survey. Owner: scsurvey)
a. Describe the shape of each histogram.
b. Because of the shapes, what measures of the center should be compared, the means or the medians?
c. Because of the shapes, what measure of spread is preferred, the standard deviation or the interquartile range?
d. Compare the centers and spreads in context.
The first letter is not a vowel and the second and third letters selected are vowels.
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The Mean and Median applet allows you to place observations on a line and see their mean and median visually. Place two observations on the line by clicking.
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Show that it satisfies the required condition for being a probability distribution.
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