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.Management Sciences
Category: Statistics Mcqs
Correlation coefficient is _________ of origin and unit of measurement?
0
A. Origin
B. Dependence
C. Independence
D. None
Sampling error can reduced by __________________?
A. Non-random sampling
B. Increasing the population
C. Decreasing the sample size
D. Increasing the sample size
In symmetrical distribution, the co-efficient of skewness is equal to ______________?
A. -1
B. +1
C. 0
D. None of these
Addition Law of probability for mutually exclusive event is equal _______________?
A. P(AUB)=P(A) + (B)
B. P(AUB) = P(A) + P(B) – P(A∩B)
C. P(A∩B) = P(A) + P(B) + P(A∩B)
D. P(A∩B) = P(A). P(B
Group data formula for mode _______?
A. 1+ fm – f2/f1 – f2 x h
B. 1+ f1 – f2/f2 – fm x h
C. 1 + fm – f1/ (fm – f1) + (fm1 – f2) x h
D. 1+ fm1 – f2/f1 – fm x h
The table representing two attributes is called________________?
A. Random table
B. Contingency table
C. Dichotomy table
D. Chi-square table
The probability of drawing an even number in a toss of a balanced die ______________?
A. 1/6
B. 2/6
C. 3/6
D. 6/6
In a binomial distribution mean and variance is ________________?
A. Variance > mean
B. Mean < variance
C. Variance ≠ mean
D. None of these
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