Lindssthernanchtsa Lindssthernanchtsa

25-11-2016
Mathematics

contestada

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

Respuesta :

MissPhiladelphia MissPhiladelphia

27-11-2016

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

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