Question

BMLT3004_C04: What is the
standard deviation for the data given:
5, 10, 7, 12,0, 20, 15, 22, 8,2
Select one:
a. 6.89
b. 10.1
c. 7.26
d. 9​

Answer 1

Answer:

a

Explanation:

mean=(5+10+7+12+0+20+15+22+8+2)÷10=10.1

deviation=√($\frac{(5-10.1)^{2}+(10-10.1)^{2}+(7-10.1)^{2}+...}{10}$)    *too long to list*

               =6.891298861608

answer is a

Answer 2

Answer:

a. 6.89

Explanation:

Count, N =10

Sum of given numbers, 101

Mean,Meu = 10.1

Variance,sigma^2 = 47.49

Use standard deviation formula

See image