Question

what is the mean of the following numbers? 15, 10, 7, 12 a 15 b 11 c 10 d 12

Explanation:

Step1: Find the sum of numbers

$15 + 10+7 + 12=44$

Step2: Divide sum by count

There are 4 numbers. So, mean = $\frac{44}{4}=11$

Answer:

B. 11