Question

1. a math class created a dot plot showing how many books each student read this month. most students read between 3 and 6 books, with the current mean at 4 books. a new student joins the class and reports that he read 4 books this month. how will this new point affect the mean? the mean will increase the mean will decrease the mean will not change cannot be determined

Explanation:

Step1: Recall mean calculation

Mean = total books / number of students.

Step2: Analyze new student's value

New student read 4 books, same as current mean. Adding a value equal to the mean doesn’t change the mean.

Answer:

The mean will not change