Average points scored per game were found for a sample size of 90 for 2010 NBA basketball players and classified as follows:

Average points scored per game Cumulative frequency

0-6 18

6-12 63

12-18 81

18-24 90

The mean is 10.2

What is the standard deviation of the points per game for this sample?

a.)5.23

b.)5.26

c.)27.36

d.) 27.67

e.)272.92

I know the answer is 5.26 please explain in detail how you got this answer.

Average points scored per game Cumulative frequency

0-6 18

6-12 63

12-18 81

18-24 90

The mean is 10.2

What is the standard deviation of the points per game for this sample?

a.)5.23

b.)5.26

c.)27.36

d.) 27.67

e.)272.92

I know the answer is 5.26 please explain in detail how you got this answer.

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