Category: Statistics Mcqs
In a binomial distribution mean and variance is ________________?
A. Variance > mean
B. Mean < variance
C. Variance ≠ mean
D. None of these
We must arrange the data before calculating _________?
A. Mean
B. Median
C. Mode
D. G.M.
In inferential statistics, we study____________?
A. the methods to make decisions about population based on sample results
B. how to make decisions about mean, median, or mode
C. how a sample is obtained from a population
D. None of the above
In a binomial distribution the probability of ___________ changes from trial to trial?
A. Failure
B. Experiment
C. Success
D. Out come
The standard deviation is affected by the value of every____________?
A. Relative Dispersion
B. Observation
C. Absolute
D. Items
If a card is chosen from a standard deck of cards, what is the probability of getting a five or a seven ?
A. 4/52
B. 1/26
C. 8/52
D. 1/169
The mean and variance of binomial distribution are ______________?
A. Unequal
B. Equal
C. Symmetrical
D. None
Binomial distribution is symmetrical when P=___________________?
A. n
B. x
C. q
D. 1 – P
The sign test assumes that the_______________?
A. Samples are independent
B. Samples have same mean
C. Sample are dependent
D. The Wilcoxon Signed Rank test is used
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