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The average age of 80 randomly selected students is a:

Find the mean: 14, 18, 22, 26, 30

Find the midpoint of the class 100–109.

Chebyshev’s Rule applies to:

Data range from 18 to 72. Using 6 classes, the class width is approximately:

The bars of a histogram:

Find the median: 12, 15, 18, 21, 24

Students are grouped by major and sampled from each major.

Find the range: 6, 11, 17, 25

Find the mean from the frequency distribution:xf234463