All MCQs for Competitive Exams
MCQSAll MCQs for Competitive Exams
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1146 MCQs
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Topic Notes: Competitive Exams
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Practice MCQs for CSS, PMS, FPSC, PPSC, NTS and Pakistan competitive exam preparation. Use topic-wise questions, answers, and explanations to revise quickly and improve exam accuracy.
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931
Calculate the standard deviation given N = 100, the sum of X = 600, and the sum of X squared = 10000.
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932
If 6.5 is added to each of the 15 observations in a dataset with an original mean of 40 and a standard deviation of 6, what will be the new mean and standard deviation?
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933
Mean ± 3 σ covers
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934
Coefficient of variation is calculated by the formula
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935
What statistical measure is equivalent to the second central moment calculated about the arithmetic mean?
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936
If μ4= 48 in normal distribution, then the value of variance will be
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937
If the standard deviation of a variable x is 5, what is the standard deviation of the transformed variable (4x + 8)?
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938
Which measure of variation is least influenced by extreme observations in a dataset?
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939
In standard costing, the standard quantity allocation is multiplied by the standard overhead rate to allocate which type of costs?
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940
What is the likely consequence when machine time standards are set at an unrealistically tight level?
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