saltare is a maker of high - end apparel for women. for market research one afternoon, saltares sales team…

saltare is a maker of high - end apparel for women. for market research one afternoon, saltares sales team surveyed adult women at a busy airport on the number of blouses they own. the histogram below summarizes the data. use the histogram to answer each of the questions.\n(a) one class is the most frequent. how many adult women are in this class?\n(b) what is the class width?\n(c) how many adult women in the survey own 28 or fewer blouses?

saltare is a maker of high - end apparel for women. for market research one afternoon, saltares sales team surveyed adult women at a busy airport on the number of blouses they own. the histogram below summarizes the data. use the histogram to answer each of the questions.\n(a) one class is the most frequent. how many adult women are in this class?\n(b) what is the class width?\n(c) how many adult women in the survey own 28 or fewer blouses?

Answer

Explanation:

Step1: Identify the most - frequent class

The class with the highest frequency bar is 29 to 37, and the frequency (number of adult women) for this class is 7.

Step2: Calculate the class width

For any class, say 11 - 19, the class width is calculated as the upper - class limit minus the lower - class limit. For the class 11 to 19, the width is $19 - 11=8$. The same width applies to all classes.

Step3: Find the number of women with 28 or fewer blouses

The classes with 28 or fewer blouses are 11 to 19 and 20 to 28. The frequency of the 11 to 19 class is 4 and the frequency of the 20 to 28 class is 6. So the total number of women is $4 + 6=10$.

Answer:

(a) 7 (b) 8 (c) 10