Statistics PYQs - Last 5 Years
COMEDK / Mathematics / Algebra / 9 recent questions
MathematicsAlgebra2022-2026
Practice 9 COMEDK Mathematics questions from Statistics. Use the year-wise and type-wise breakdown to prioritize recent PYQs, then continue into the question list below.
9
PYQs on Page
Mathematics / Algebra
2023-2026
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9
Last 5 Years
2022-2026
9
Last 10 Years
2017-2026
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9PYQs
MCQ100%
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#1 Unknown9
9 in last 5 years9 in last 10 years
Last 5 Years Statistics Questions
Showing 9 of 9 filtered questions.
1Statistics
If for a distribution of 20 items, $\sum(x-4)=10$ and $\sum(x-4)^2=85$ then the standard deviation is:
MCQ+1 / -02026
2Statistics
The variance of a set of 20 observations is 16 . If 7 is added to each observation, and then $\mathbf{5}$ is subtracted from each resulting observation, what will be the new standard deviation?
MCQ+1 / -02026
3Statistics
The variance of 25 observations is 8 . If each observation is multiplied by 3 , then the new variance of the resulting observations is
MCQ+1 / -02025
4Statistics
If the standard deviation of $0,1,2,3 \cdots\cdots\cdots9$ is ' $k$ ' then the standard deviation of $10,11,12,13, \cdots\cdots\cdots\cdots19$ will be :
MCQ+1 / -02025
5Statistics
If the mean of $4,7,2,8,6$ and $k$ is 7 . Then the mean deviation from the mean of these observations is
MCQ+1 / -02025
6Statistics
The mean of the numbers \(a, b, 8,5,10\) is 6 and the variance is 6.80 , then which of the following gives possible values of \(a\) & \(b\)
MCQ+1 / -02024
7Statistics
The mean of five observations is 4 and their variance is 5.2 . If three of these observations are 1, 2 and 6, then the other two observations are
MCQ+1 / -02024
8Statistics
Let 'P' be the mean deviation of the first five odd natural numbers about their mean and 'Q' be the mean deviation of the first five prime numbers about their mean. The \(Q-P=\)
MCQ+1 / -02024
9Statistics
Consider the first 10 natural numbers. If we multiply each number by \(-\)1 and add 1 to each number, the variance of the numbers so obtained is
MCQ+1 / -02023