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.Management Sciences
Category: Statistics Mcqs
Three brands of coffee are rated for tasted on a scale of 1 to 10. Six persons are asked to rate each brand so that there is a total of 18 observations.The appropriate test to tasted equally good is_____________?
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A. One way analysis of variance (ANOVA)
B. Spearman Rank difference
C. Wilcoxon Rank-Sum test
D. Kruskal-Wallis test
The index numbers are used to measure seasonal and cyclical variations in __________?
A. Commodities
B. Time Series
C. Whole sale
D. Realtives
The special rule of multiplication of probability, the events must be ______________?
A. Independent
B. Mutually exclusive
C. Bayesian
D. Empirical
Binomial distribution is negatively skewed when:__________________?
A. p=0
B. p>1/2
C. p=1/2
D. p=1/3
Which of the following is not based on all the observations ?
A. Arithmetic Mean
B. Geometric Mean
C. Harmonic Mean
D. Weighted Mean
E. Mode
Sum of dots when two dice are rolled is____________?
A. a discrete variable
B. a continuous variable
C. a constant
D. a qualitative variable
A listing of the possible outcomes of an experiment and their corresponding probability is called:______________?
A. Random Variable
B. Contingency table
C. Bayesian table
D. Probability distribution
E. Frequency distribution
According to the empirical rule, approximately what percent of the data should lie within μ±σ?
A. 75%
B. 99.7%
C. 90%
D. 95%
_______are used to represent data classified on qualitative?
A. Vertical bars
B. Simple bar
C. Horizontal bars
D. Pie chart
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