data was collected for 210 randomly selected 10 minute intervals. for each the number of people entering the…

data was collected for 210 randomly selected 10 minute intervals. for each the number of people entering the atrium of a large mall were recorded. the data is in the frequency table below.\n| number of guests | frequency |\n| ---- | ---- |\n| 60 - 79 | 56 |\n| 80 - 99 | 29 |\n| 100 - 119 | 55 |\n| 120 - 139 | 31 |\n| 140 - 159 | 39 |\nwhat is the class width for this gfdt?\nclass width =
Answer
Explanation:
Step1: Identify class - width formula
Class width = Upper - class limit - Lower - class limit.
Step2: Select a class interval
Let's take the first class interval 60 - 79. Here, the lower - class limit is 60 and the upper - class limit is 79.
Step3: Calculate class width
Class width = 79 - 60=19.
Answer:
19