We use non parametric tests when the data is_________?
A. Qualitative
B. Ranked
C. Both a and b
D. None of these
Statistical Inference Mcqs
An alternative non parametric test of ANOVA?
An alternative non parametric test of ANOVA?
A. Sign test
B. Wilcoxon sign rank test
C. Median test
D. Kruskal Wallis test
In hypothesis testing probability of (alpha +beta) =1?
In hypothesis testing probability of (alpha +beta) =1?
A. Increase
B. Decrease
C. Yes
D. No
Let X1,X2,……,Xn be a random sample from a density,,,, f(x ι θ) where θ is a value of the random variable Θwith known density gΘ(θ) Then the estimator ∏(θ) with…/ respect to the prior gΘ(θ) is define as______________E[∏(θ)ιX1,X2,…..,Xn] is called?
Let X1,X2,……,Xn be a random sample from a density,,,, f(x ι θ) where θ is a value of the random variable Θwith known density gΘ(θ) Then the estimator ∏(θ) with…/ respect to the prior gΘ(θ) is define as______________E[∏(θ)ιX1,X2,…..,Xn] is called?
A. Posterior Bay’s estimator
B. Minimax estimator
C. Bay’s estimator
D. Sufficient estimator
The non parametric equivalent of an unpaired samples t-test____________?
The non parametric equivalent of an unpaired samples t-test____________?
A. Kruskal Wallis Test
B. Mann-Whitney U test
C. Wilcoxon signed rank test
D. Sign test
When testing for randomness, we can use_____________?
When testing for randomness, we can use_____________?
A. Sign test
B. None of these
C. Runs test
D. D Mann-Whitney U test
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 ?
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 ?
A. The Mann-Whitney test
B. The Kruskal-Wallis test
C. The Wilcoxon Signed Rank test
D. The Kolmogorove-Simirnor test
Which of the following test must be two-sided ?
Which of the following test must be two-sided ?
A. Sign test
B. Wilcoxon Signed Rank
C. Kruskal-Wallis
D. Runs test
The Wilcoxon, Rank-Sum test used to compares_______________?
The Wilcoxon, Rank-Sum test used to compares_______________?
A. Any number of populations
B. A sample mean to the population mean
C. Two populations
D. Three populations
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____________?
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____________?
A. Kolmogorov-Smirnor test
B. Wilcoxon Rank-Sum test
C. Spearman Rank Correlation test
D. Kruskal-Wallis test