# Random Variable Classes Questions and Answers PDF Download eBook

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## Trivia Quiz on Random Variable Classes PDF Download eBook

MCQ: The class of variable which can accept only the values from set of integers is classified as

- discrete random variable
- continuous random variable
- posterior random variable
- interior random variable

A

MCQ: If the total number of elements with some specific characteristics is 18 from a population of 40 and the sample is drawn without replacement with the size of 4 then the mean of hyper geometric probability distribution is

- 4.8
- 1.8
- 2.8
- 3.8

B

MCQ: If the rate of occurrences in Poisson probability distribution is smaller and the occurrences have large numbers then the distribution tends to be

- negatively skewed and mesokurtic
- positively skewed and mesokurtic
- symmetrical and leptokurtic
- symmetrical and mesokurtic

D

MCQ: In the classes of grouped data such as 10-15, 16-20, 21-25, 26-30 with respective frequencies of each class as 3, 5, 4, 3 then the range is

- 5
- 6
- 15
- 20

B

MCQ: The measures which considers the mean or median to calculate average deviation does not includes

- mean absolute deviation
- standard deviation
- variance
- median deviation

D