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.Management Sciences
Category: Statistics Mcqs
The successive trials are with replacement in:________________?
A. Hpergeometric distribution
B. Binomial distribution
C. Geometric distribution
D. None of these
The value maximum ordinate of a standard normal curve at Z = 0 is:________?
A. 1
B. 0.5
C. 0.3989
D. None of these
A sample of 24 observations is taken from a population that has 150 elements. The sampling distribution of is___________?
A. Approximately normal because is always approximately normally distributed
B. Approximately normal because the sample size is large in comparsion to the population size
C. Approximately normal because of the central limit theorem
D. Normal if the population is normally distributed
If a & b are constants, then Var (a + bX) equal to_________________?
A. Var(bX) + a
B. b2 Var(X)
C. b Var(x)
D. None of these
The average monthly production of a factory for the first 8 months is 2,500 units, and for the next 4 months the production was 1,200 units. The average monthly production of the year will be_____________?
A. 2066.55 units
B. 5031.10 units
C. 4021.12 units
D. 3012.11 units
In descriptive statistics, we study:
A. The description of decision making process
B. The methods for organizing, displaying, and describing data
C. How to describe the probability distribution
D. None of the above
Quartile Coefficient of skewness lies between______________?
A. 0 and 1
B. -1 and +1
C. -1 and 0
D. None of these
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