a. Define a statistic (2 marks) b. A random sample x1,x1.xi is taken from a population with
unknown mean ; For each of the following state with reason whether or not it is a statistic. i.
(X1+X4)/2 ( 2 marks) ii. Nx22 (2 marks).
a. Define a statistic (2 marks) b. A random sample x1,x1��.xi� is tak.pdf
1. a. Define a statistic (2 marks) b. A random sample x1,x1.xi is taken from a population with
unknown mean ; For each of the following state with reason whether or not it is a statistic. i.
(X1+X4)/2 ( 2 marks) ii. Nx22 (2 marks)