Question

1. the mean of 6, 9, 10, 5 is: a) 6 b) 7.5 c) 7 d) 8

Explanation:

Step1: Find the sum of the numbers

$6 + 9+10 + 5=30$

Step2: Divide by the number of values

There are 4 numbers. So, $\frac{30}{4}=7.5$

Answer:

B. 7.5