Find the standard deviation of the data set to the nearest tenth:

(21, 13, 18, 16, 13, 35, 12, 8, 15)

Answer: 16.8

thanks

1 answer

The mean of the given numbers is 16.8.

SD=sqrt(1/N sum((x-mean)^2))
=sqrt(1/9*((21-16.8)^2+(13-16.8)^2...
=7.3