JEE Main & Advanced
Mathematics
Statistics
Question Bank
Numerical Value Type Questions - Statistics
question_answer
If both the mean and the standard deviation of 50 observations \[{{x}_{1}},{{x}_{2}},......,{{x}_{50}}\] are equal to 16, then the mean of \[{{({{x}_{1}}-4)}^{2}},\,{{({{x}_{2}}-4)}^{2}},......,{{({{x}_{50}}-4)}^{2}}\] is