Chapter 4, Problem 45E

To determine

To Explain: on the usefulness and appropriateness of the given histogram.

Explanation of Solution

Given:

  

It is observed that the histogram is used to represent the quantitative data not categorical the reason is that the zip codes are categorical data. Therefore the bar chart should be use for the representing the data. From the histogram is understand that internet company has no customer belongs to north-east. Normally all customers are from east to west, but this information is not enough. Therefore the graph is neither useful nor appropriate. Bar chart should be used to displaying the details about customers associating to zip codes.