Question

during one shift, the express lane clerk recorded how many times customers violated the \10 items or less\ rule for his lane. in particular, he recorded how many items over the limit each violator placed on the conveyor belt. this data is summarized in the histogram below. note: the last class actually represents \7 or more items,\ not just 7 items. what is the frequency of times the limit was exceeded by 3 items? ans =

Explanation:

Step1: Identify the class interval

The class intervals on the x - axis are 0 - 0.5, 0.5 - 1.5, 1.5 - 2.5, 2.5 - 3.5, etc. We want to find the frequency for 3 items over the limit. The value 3 lies in the interval 2.5 - 3.5.

Step2: Read the frequency

Looking at the histogram, the frequency for the interval 2.5 - 3.5 is 13.

Answer:

13