Statistics MCQs

734 MCQs  (Page 27 of 74)

Attempt Statistics Mcqs Quiz
The average monthly production of a factory for the first 8 months is 2,500 units, and for the next 4 months the production was 1,200 units. The average monthly production of the year will be_____________?
A. 2066.55 units
B. 5031.10 units
C. 4021.12 units
D. 3012.11 units
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In a frequency distribution the last cumulative frequency is 500. Q3 must lie in_____________?
A. 275th item
B. 375th item
C. 150th item
D. 175th item
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The sum of squared deviation is least from_________________?
A. Median
B. Mean
C. Mode
D. Standard deviation
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Given the N values in a series, the geometric mean is______________?
A. The third root of the product of n values
B. The square root of the product of n values
C. The fourth root of the product of n values
D. The nth root of the product of n values
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In a frequency distribution the last cumulative frequency is 300, Median shall lie in____________?
A. 140th item
B. 130th item
C. 160th item
D. 150th item
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Sum of deviations will be zero if it is taken from_________________?
A. Mean
B. Mode
C. Median
D. Standard deviation
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The mean of a constant “b” is_________________?
A. Zero
B. B
C. None
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The average of first n natural numbers is_______________?
A. N+12
B. N2
C. All of the above
D. None of these
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Arithmetic mean of two positive numbers “X” and “Y” is_________________?
A. Ab2
B. 2a2
C. (a+b)/2
D. A−b2
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For a certain distribution if ∑(x−2)=18,∑(x−24)=0,∑(x−28)=−24) then arithmetic mean is_______________?
A. 21
B. 24
C. 28
D. 0
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Word of the Day
23 Jul
Aisle
a passage between rows of seats in a building such as a church or theatre, an aircraft, or train.
طویل تنگ راستہ، نشتوں کے درمیان راستہ

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