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.Management Sciences
Category: Statistics Mcqs
The t distribution are_____________?
0
A. Symmetrical
B. None of these
C. Same as Normal Curve
D. Skewed
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
Coded method of calculation is only used in ___________?
A. Median
B. Combined mean
C. A.M.
D. None of these
Data must be arranged either in ascending or descending order, if some wants to compute____________?
A. Mode
B. Median
C. Harmonic Mean
D. Geometric Mean
E. Median
If in binomial distribution p ≠ q, the distribution is:___________________?
A. Positively skewed
B. Negative skewed
C. May be positive skewed or negative skewed.
D. None of these
A random variable X has binomial distribution with n = 10 and p = 0.3 then variance of X is:_____________________?
A. 10
B. 12
C. 2.1
D. 21
E. None
The arithmetic mean _________ by 10 if 10 is added to all values?
A. Decease
B. Smaller
C. Largest
D. Increase
The mean of a distribution is 23, the median is 24, and the mode is 25.5. It is most likely that this distribution is_____________?
A. Positively Skewed
B. Symmetrical
C. Asymptotic
D. Negatively Skewed
The number of defective bulbs in a lot is example of ____________?
A. Continuous variable
B. Discrete variable
C. Function
D. None of these
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