Name Marks

Ahsan 8

Alishba 8

Mohsin 7

Idrees 9

Asia 7

Zain 8

Farzana 9

Required:

a) What is the population mean marks

b) Construct Samplingdistribution of the sample mean of sample of size 2 without replacement

c) Obtain mean of sampling distribution

d) Show mean of all possible sample mean is equal to population mean

i.e.*x =E(x) =*