Problem

The percentage (rounded to the nearest whole percent) of persons from each state completin...

The percentage (rounded to the nearest whole percent) of persons from each state completing 4 years or more of college is listed below. Organize the data into a grouped frequency distribution with 5 classes. (The data for this exercise will be used for Exercise 8.) (2–1)

 Percentage of persons completing 4 years of college 23 25 24 34 22 24 27 37 33 24 26 23 38 24 24 17 28 23 30 25 30 22 33 24 28 36 24 19 25 31 34 31 27 24 29 28 21 25 26 15 26 22 27 21 25 28 24 21 25 26

Source: New York Times Almanac.

Exercise 8

Grams per Food Serving The data shown are the number of grams per serving of 30 selected brands of cakes. Construct a frequency distribution using 5 classes.

 32 47 51 41 46 30 46 38 34 34 52 48 48 38 43 41 21 24 25 29 33 45 51 32 32 27 23 23 34 35

Source: The Complete Food Counts.

Step-by-Step Solution

Solution 1

7.

 cf Less than 14.5 0 Less than 19.5 3 Less than 24.5 21 Less than 29.5 39 Less than 34.5 47 Less than 39.5 50