1
NDA Mathematics 10 April 2022
MCQ (Single Correct Answer)
+2.5
-0.83
The variance of five positive observations is 3.6. If four of the observations are 2, 2, 4, 5 then what is the remaining observation ?
2
NDA Mathematics 10 April 2022
MCQ (Single Correct Answer)
+2.5
-0.83
What is the coefficient of mean deviation of 21, 34, 23, 39, 26, 37, 40, 20, 33, 27 (taken from mean)?
3
NDA Mathematics 10 April 2022
MCQ (Single Correct Answer)
+2.5
-0.83
Consider the following for the next three (03) items that follow :
The algebraic sum of the deviations of a set of values x1, x2, x3, ⋯, xn measured from 100 is -20 and the algebraic sum of the deviations of the same set of values measured from 92 is 140.
What is the mean of the values?
4
NDA Mathematics 10 April 2022
MCQ (Single Correct Answer)
+2.5
-0.83
Consider the following for the next three (03) items that follow :
The algebraic sum of the deviations of a set of values x1, x2, x3, ⋯, xn measured from 100 is -20 and the algebraic sum of the deviations of the same set of values measured from 92 is 140.
What is the algebraic sum of the deviations of the same set of values measured from 99?
Questions Asked from Statistics (Marks 2.5)
Number in Brackets after Paper Indicates No. of Questions
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