A. The mean
B. the median
C. the variance
D. the mode
View AnswerC. the variance
Business Statistics MCQs
In a normal distribution, the lower and upper quartiles are equidistant from the mean and are at a distance of.
A. 0.7979
B. 0.6745 s
C. 0.6745
D. 0.7979
View Answer B. 0.6745 s
A discrete probability distribution may be represented by.
A. A table
B. A graph
C. A mathematical equation
D. All of these
View Answer D. All of these
In a discrete probability distribution sum of probabilities is.
A. 0
B. 1
C. -1
D. None of these
View AnswerB. 1
Probability distribution of a random variable is also known as.
A. Probability function
B. Distribution function
C. Probability distribution
D. Probability density function
View AnswerA. Probability function
The variance of 5numbers is 10.if each number is divided by 2, the variance of new numbers is.
A.2.5
B.20
C.5
D.10
View Answer A.2.5
For ordinal data which of the following measures of central tendency is use.
A. Mean
B. mode
C. median
D. geometric mean
View AnswerC. median
In normal distribution.
A. Mean < median < mode
B. mean = median = mode
C. mean > median > mode
D. None of these
View AnswerB. mean = median = mode
Which of the following is true for the normal curve.
A. Symmetrical
B. all of above
C. unimodal
D. bell-shaped
View AnswerB. all of above
Which of the following measures of central tendency cannot be affected by extreme values.
A. Mean
B. median
C. both b) and c) not a
D. mode
View AnswerA. Mean