Question

The graph below shows two normal distributions.

What is the difference of the means of the distributions?

Answer 1

15

Explanation:

Answer 2

15

Explanation:

The mean of the first graph comes to be the point at which the graph reaches its highest point.

The mean of the blue graph is: μ = 30

The mean of the blue graph is: μ = 45

The difference of the means of the distributions is: 45 - 30 = 15