Question

a professor had students keep track of their social interactions for a week. the number of social interactions over the week is shown in the following grouped frequency distribution. what is the class width? the class width is (type a whole number.)

Explanation:

Step1: Identify class - interval formula

Class width = Upper - class limit - Lower - class limit.

Step2: Select a class - interval

Let's take the class interval 45 - 49. Here, upper - class limit = 49 and lower - class limit = 45.
$49 - 45$

Step3: Calculate the class width

$49-45 = 4$

Answer:

4