Question

question 2
given the following set of numbers, calculate the mean: 12, 7, 5, 19, 8, 10, 15, 6, 11, 9.
9.7
10
10.2
11.3

Explanation:

Step1: Find sum of numbers

$12 + 7+5 + 19+8 + 10+15+6+11+9=102$

Step2: Divide by number of elements

There are 10 numbers. Mean = $\frac{102}{10}=10.2$

Answer:

10.2