Question

find the mean of the data set: 8, 6, 7, 5, 6, 2, 5, 9, 9, 4, 5

Explanation:

Step1: Find sum of data

$8 + 6+7 + 5+6+2+5+9+9+4+5=66$

Step2: Count number of data points

There are 11 data - points.

Step3: Calculate the mean

Mean = $\frac{66}{11}=6$

Answer:

6