Category: Statistics Mcqs

The mean and the variance are equal in________________?

Hamad Binomial And Hyper-geometric Probability Mcqs 17/12/2020

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A. All probability distribution
B. The hypergeometric distribution
C. The binomial distribution
D. The Poisson distribution

N(µ, 2σ) means normally distribution with mean u and variance2σ then (3σ, 4) means _____________?

Hamad Normal Distribution 17/12/2020

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A. 46
B. 76
C. 36
D. 47

The sum of powers of deviation from mean is zero is called __________?

Hamad Measures Of Dispersion 16/12/2020

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A. Mean
B. Lack
C. Normal
D. Skewed

Data published by Bureau of statistics in its publications are _______________?

Hamad Basic Statistics Mcqs 15/12/2020

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A. Secondary data
B. Discrete data
C. Continuous data
D. None

E(x1 – x2)= ___________________?

Hamad Statistical Inference Mcqs 15/12/2020

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A. ux – x2
B. u1 – u2
C. 6x – x2
D. 6×2 – x2

P(µ – σ≤x≤µ + σ)=_________?

Hamad Normal Distribution 13/12/2020

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A. .6826
B. .6743
C. .6745
D. .2345

Which of the following is not a requirement for binomial distribution ?

Hamad Binomial And Hyper-geometric Probability Mcqs 13/12/2020

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A. Constant Probability of Success
B. Only two possible outcomes
C. A fixed number of trials
D. Equally likely outcomes

A list of sample _________ is called sample space?

Hamad Probability Mcqs 12/12/2020

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A. Events
B. Subset
C. Piont
D. Distinct

If X and Y are independent then SD (X − Y) is________________?

Hamad Basic Statistics Mcqs 09/12/2020

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A. SD(X)−SD(Y)
B. SD(X)+SD(Y)
C. SD(X)+SD(Y)−−−−−−−−−−−−−−√
D. Var(X)+Var(Y)−−−−−−−−−−−−−−−√
18) If Y=−8X − 5 and SD of X is 3, then SD of Y is

The probability of getting at least one head when two balance coins are tossed once __________________?

Hamad Probability Mcqs 09/12/2020

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A. 1/4
B. 2/4
C. 3/4
D. 4/4