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 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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