A frequency distribution where the upper limit of one class is the lower limit of the next class is called: MCQ with Answer and Explanation

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A frequency distribution where the upper limit of one class is the lower limit of the next class is called:

A. Exclusive series

B. Cumulative series

C. Inclusive series

D. Discrete series

Answer: Option A

Solution (By JKSSB Mock Tests)

In an exclusive series (e.g., 10-20, 20-30), the upper limit is excluded from that class and included in the next.

This question belongs to: Accountancy and Statistics Statistics

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Question #1

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A bag contains 3 red, 5 black balls. Two balls are drawn at random. The probability that they are of different colors is:

A. 3/8

B. 1/2

C. 15/28

D. 15/56

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Correct Answer: Option C

Explanation:
Total ways C(8,2)=28. 1 red 1 black = 3×5=15. Probability=15/28.

This question belongs to: Accountancy and Statistics Statistics

Question #2

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In a frequency distribution, the number of observations falling in a class is called:

A. Class mark

B. Class frequency

C. Class width

D. Class limit

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Correct Answer: Option B

Explanation:
Class frequency is the count of data points within a particular class interval.

This question belongs to: Accountancy and Statistics Statistics

Question #3

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Wholesale Price Index (WPI) in India is compiled by:

A. CSO

B. Labour Bureau

C. Office of Economic Adviser, DPIIT

D. NSSO

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Correct Answer: Option C

Explanation:
The Office of Economic Adviser, Department for Promotion of Industry and Internal Trade compiles WPI.

This question belongs to: Accountancy and Statistics Statistics

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