📈Statistics MCQs
Statistics MCQs
490 MCQs91
When testing for randomness, we can use_____________?
ASign test
BNone of these
CRuns test
DD Mann-Whitney U test
92
Which of the following test is most likely assessing this null hypothesis: Ho The number of violations per apartment in the population of all city apartments is binomially distributed with a probability of success in any one trial of P=0.3 dd ?
AThe Mann-Whitney test
BThe Kruskal-Wallis test
CThe Wilcoxon Signed Rank test
DThe Kolmogorove-Simirnor test
93
Which of the following test must be two-sided ?
ASign test
BWilcoxon Signed Rank
CKruskal-Wallis
DRuns test
94
The Wilcoxon, Rank-Sum test used to compares_______________?
AAny number of populations
BA sample mean to the population mean
CTwo populations
DThree populations
95
Comparing the times to failure of radar transponders made by firms A, B, and C based on an airline’s sample experience with the three types of instruments one may use____________?
AKolmogorov-Smirnor test
BWilcoxon Rank-Sum test
CSpearman Rank Correlation test
DKruskal-Wallis test
96
In testing for the difference between two populations, it is possible to use____________?
AThe Wilcoxon Rank-Sum test
BThe Sign test
CNone of the above
DEither of the above
97
The Runs test results in rejecting the null hypothesis of randomness when______________?
AThere is an unusually large number of runs
BThere is an unusually small number of runs
CNone of these
DEither of the above
98
For a population with any distribution, the form of the sampling distribution of the sample mean is_____________?
ASometimes normal for all sample sizes
BSometimes normal for large sample sizes
CAlways normal for all sample sizes
DAlways normal for large sample sizes
99
Convenience sampling is an example of______________?
AProbabilistic sampling
BStratified sampling
CNo probabilistic sampling
DCluster sampling
100
The process of dividing a heterogeneous_____________?
ARandom digit
BStratification
CRandom Sampling
DCluster