Question

What is the mean of the data set graphed on the dot plot?

.

A. 30

B. 40

C. 45

D. 90


Here’s the picture

Answer 1

The mean is the average of all the numbers. So your answer is C. 45

Explanation:

Add all of the numbers

0 + 10 + 30 + 30 + 40 + 50 + 70 + 80 + 95 = 405

Since there are 9 numbers, divide 405 by 9

405/9 is 45

That's your answer! I hope this helps!