Standard Deviation

Find the standard deviation of the following numbers:

19.0, 23.4, 36.2, 18.7, 15.7

• 7.23

• 8.04

• 7.92

• 6.89

Find the standard deviation of the following numbers:

28, 31, 54, 28, 17, 30

• 11.4

• 10.9

• 12.9

• 11.1

Find the standard deviation of the following numbers:

60, 18, 42, 113, 95, 23

• 32.7

• 35.3

• 33.0

• 34.1

Find the standard deviation of the following numbers:

3, -2, 4, -2, 5, 2

• 2.75

• 2.95

• 3.15

• 3.35

Use the following information to find the standard deviation:

 $\Sigma\left(x-\overline{x}\right)^2=42.9$  

 $n=10$  

• 4.29

• 2.07

• 2.15

• 6.55

Use the following information to find the standard deviation:

 $\Sigma\left(x-\overline{x}\right)^2=8.9$  

 $n=10$  

• 0.910

• 0.943

• 4.95

• 2.98

Use the following information to find the standard deviation:

 $\Sigma x=49$  

 $\Sigma x^2=339$  
 $n=8$  

• 1.92

• 2.31

• 2.57

• 2.20

Use the following information to find the standard deviation:

 $\Sigma x=329$  

 $\Sigma x^2=22135$  
 $n=8$  

• 32.8

• 35.6

• 23.1

• 29.6