Question

look at the graph below. find the mean from the graph and enter that number in the box provided. 29 41 53 65 77 89 101 mean μ = ____________

Explanation:

Step1: Recall mean formula for symmetric data

For a symmetric distribution like the one shown (a normal - like distribution), the mean is at the center.

Step2: Identify the middle value

The values are 29, 41, 53, 65, 77, 89, 101. There are 7 values. The middle - value (4th value when ordered) is the mean.

Answer:

65