The process of arranging data in rows and columns is called: MCQ with Answer and Explanation

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The process of arranging data in rows and columns is called:

A. Summarization

B. Classification

C. Compilation

D. Tabulation

Answer: Option D

Solution (By JKSSB Mock Tests)

Tabulation is the systematic arrangement of data in rows and columns for easy comparison and analysis.

This question belongs to: Accountancy and Statistics Statistics

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Question #1

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A person travels from A to B at 40 km/h and returns from B to A at 60 km/h. His average speed for the whole journey is:

A. 48 km/h

B. 52 km/h

C. 45 km/h

D. 50 km/h

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Correct Answer: Option A

Explanation:
For equal distances, use Harmonic Mean: 2ab/(a+b) = 2(40)(60)/(100) = 4800/100 = 48 km/h.

This question belongs to: Accountancy and Statistics Statistics

Question #2

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Crude birth rate for a population of 200,000 with 4,000 live births in a year is:

A. 2 per 1000

B. 0.2 per 1000

C. 20 per 1000

D. 50 per 1000

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Correct Answer: Option C

Explanation:
CBR = (4000 / 200000) × 1000 = 0.02 × 1000 = 20 per 1000.

This question belongs to: Accountancy and Statistics Statistics

Question #3

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The harmonic mean gives more weight to:

A. Smaller values

B. All values equally

C. Middle values

D. Larger values

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Correct Answer: Option A

Explanation:
HM is the reciprocal of the arithmetic mean of reciprocals, so smaller numbers have larger reciprocals and thus greater influence.

This question belongs to: Accountancy and Statistics Statistics

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