Find the sum of squares of the deviations from the mean of a series of ACT scores listed below.
20, 31, 18, 26, 15
The sum of squares is:
Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!
(Save $1 )
One time Pay
(Save $5 )
Billed Monthly
*First month only
You can see the logs in the Dashboard.