Question

For the data set 7 ,5,10,11,12

Answer 1

Answer: 2.9 just did it on apex 6/8/2019

Explanation:

Answer 2

Standard deviation =2.6

Explanation:

Using the formula given

S = √((1/n-1)∑(x-x⁻)²)

n = 5

∑(x-x⁻)² = 34

Therefore;

s = √(1/5(34)

= √6.8

= 2.6

The standard deviation will be 2.6