Statistics MCQs

734 MCQs  (Page 31 of 74)

Attempt Statistics Mcqs Quiz
Var (kY)= ____________?
A. K var (y)
B. K2 var(y)
C. Var(y)
D. K2
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Hourly temperature recorded by weather bureau is the example of ___________?
A. Discrete variable
B. Qualitative variable
C. Continuous variable
D. None of these
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A continuous random variable which can assume all possible values on scale in a given _______________?
A. Interval
B. Point
C. Time
D. Sample space
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Probability of occurrence of an event lies between______________?
A. -1 and 0
B. 0 and 1
C. -1 and 1
D. Exactly 1
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For a probability density function (pdf), the probability of a single point is_____________?
A. 1
B. 2
C. 0
D. Constant
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What is the probability that a ball drawn at random from a jar ?
A. 0.1
B. 1
C. 0.5
D. 0
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If c is non-random variable, the E(C) is_______________?
A. Zero
B. C
C. 1
D. 2
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Coefficient of variation (C.V) is given below:_________________?
A. Mean/s.d.
B. s.d./mean x 100
C. Mean/s.d. x 100
D. S.d./mean
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The probability function is always______________?
A. Negative
B. Non negative
C. Positive
D. None
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Probability distribution of a random variable is also know as Probability_________________?
A. Probability function
B. Distribution function
C. Probability distribution
D. Probability density function
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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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