Statistics MCQs

734 MCQs  (Page 28 of 74)

Attempt Statistics Mcqs Quiz
The mean of 10 numbers is 9, then sum of these numbers will be__________________?
A. 9
B. 0.9
C. 70
D. D 90
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If β2=m4m22<3, the distribution is called______________?
A. Normal
B. Mesokurtic
C. Leptokurtic
D. Platykurtic
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The calculation of mean and variance is based on______________?
A. Small values only
B. Large values only
C. Extreme values only
D. All values
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Quartile Coefficient of skewness lies between______________?
A. 0 and 1
B. -1 and +1
C. -1 and 0
D. None of these
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The degree of peakedness is called__________________?
A. Dispersion
B. Skewness
C. Symmetry
D. Kurtosis
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____________ is used to criterion of consistency i.e for consistence performance?
A. Range
B. Standard deviation
C. Coefficient of variation
D. Mean deviation
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If the third moment about mean is zero then distribution is_______________?
A. Mesokurtic
B. Positively skewed
C. Symmetrical
D. Negatively skewed
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The variance of a constant is_______________?
A. Zero
B. Constant
C. A
D. None
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If Y=−8X − 5 and SD of X is 3, then SD of Y is _______________?
A. 8
B. 3
C. 5
D. 24
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For a symmetrical distribution approximately 68% of the cases are included between _________________?
A. X¯¯¯¯−s and x¯¯¯¯+s
B. X¯¯¯¯−2s and x¯¯¯¯+2s
C. X¯¯¯¯−3s and x¯¯¯¯+3s
D. None of these
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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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