Question

find the mean of this data set. 88, 95, 66, 74, 92, 86, 94

Explanation:

Step1: Calculate sum of data

$88 + 95+66 + 74+92+86+94=695$

Step2: Divide by number of data points

There are 7 data - points. Mean = $\frac{695}{7}\approx99.29$

Answer:

$\frac{695}{7}\approx99.29$