asked 210k views
1 vote
What is the standard deviation of the data set?

14 34 23 50 25 16 48

a. about 35.6

b. about 26.8

c. about 14.5

d. about 13.4

asked
User Kirotab
by
8.1k points

1 Answer

3 votes
The Standard Deviation is a measure of how spread out numbers are. Standard deviation can be calculated by the expression as follows:

s = √∑(x - x(mean))^2/n-1

x(mean) = 210 / 7 = 30

s = √∑(x - 30)^2 / 7-1
s = 14.53 <------ OPTION C
answered
User Terphi
by
8.8k points

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