Ap Eapcet
Statistics
AP EAPCET 2021 - 19th August Evening Shift
MCQ+1 / -02021
The mean and variance of \(n\) observations \(x_1, x_2, x_3, \ldots . . x_n\) are 5 and 0 respectively. If \(\sum_{i=1}^n x_i^2=400\), then the value of \(n\) is equal to
Ap Eapcet
AP EAPCET 2021 - 19th August Evening Shift
The mean and variance of \(n\) observations \(x_1, x_2, x_3, \ldots . . x_n\) are 5 and 0 respectively. If \(\sum_{i=1}^n x_i^2=400\), then the value of \(n\) is equal to