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AP EAPCET 2021 - 19th August Evening Shift
MCQ (Single Correct Answer)
+1
-0
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
2
AP EAPCET 2021 - 19th August Morning Shift
MCQ (Single Correct Answer)
+1
-0
The variance of the variates 112, 116, 120, 125 and 132 about their AM is
3
AP EAPCET 2021 - 19th August Morning Shift
MCQ (Single Correct Answer)
+1
-0
Which of the following set of data has least standard deviation?
Questions Asked from Statistics (MCQ (Single Correct Answer))
Number in Brackets after Paper Indicates No. of Questions
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