question_answer

The mean of \[{{x}_{1}},{{x}_{2}}.......{{x}_{50}}\] is M, if every \[{{x}_{i}},\,\,i=1,2.....50\]is replaced by \[{{x}_{p}}i=1,2.....50\] then the mean is

A) M                                

B)  \[M+\frac{1}{50}\]

C)  \[\frac{50}{M}\]                    

D)  \[\frac{M}{50}\]