You are given some information about a sample of data It is

You are given some information about a sample of data. It is known that the sample variance for this set of data is 10. You are also told that the sum of the squared deviations from the sample mean is 510 (see below). What is the size of this sample?

a) 51

b) 11

c) 10

d) 52

Solution

I think that a