calculate the mean. 3, 7, 8, 4, 7, 8, 7, 4

Explanation:

Step1: Find the sum of numbers

$3 + 7+8 + 4+7 + 8+7 + 4=48$

Step2: Count the number of data - points

There are 8 data - points.

Step3: Calculate the mean

The mean $\bar{x}=\frac{48}{8}=6$

Answer:

6