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
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