MCQ: 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____________?

1. Kolmogorov-Smirnor test
2. Wilcoxon Rank-Sum test
3. Spearman Rank Correlation test
4. Kruskal-Wallis test

MCQ: A_______ is the specific value of the statistic used to estimate the population parameter?

1. Point estimator
2. C.I.
3. Estimator
4. None of these

MCQ: Since E(X) _______X is said to be unbiased estimator of the population mean?

1. Q
2. X
3. Ux
4. u

MCQ: Sampling Error decrease by _______ the sample size?

1. Increase
2. Decrease
3. Sampling
4. Population

MCQ: ___________ is a value of sample statistics?

1. Estimate
2. Estimator
3. Probability
4. Numerical

MCQ: The Estimation and testing of hypothesis are main branches of ________________?

1. Sampling
2. Probability distribution
3. Regression
4. Statistical Inference