Answer the questions and provide an explanation:

The population mean is symbolized as ______, whereas the sample mean is symbolized as

a) ; M

b) M;

c) n; N

d) N; n

A researcher computes the computational formula for SS and finds thatx=39 andx²= 271. If this is a sample of 6 scores, then what would SS equal using the computational formula?

a) 17.5

b) 3.5

c) 232

d) not possible to know because the sample mean is not given