The process of arranging raw data into a table is: MCQ with Answer and Explanation

The process of arranging raw data into a table is:

A. Tabulation

B. Coding

C. Classification

D. Editing

Answer: Option A

Tabulation is the systematic presentation of data in rows and columns.

This question belongs to: Accountancy and Statistics Statistics

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Question #1 Report Error

If the Arithmetic Mean (AM) of two positive numbers is 10 and their Geometric Mean (GM) is 8, what is their Harmonic Mean (HM)?

A. 6.4

B. 7.2

C. 9.0

D. 8.5

Correct Answer: Option A

Explanation:
For two positive numbers, AM × HM = GM². Therefore, 10 × HM = 64, which gives HM = 6.4.

This question belongs to: Accountancy and Statistics Statistics

Question #2 Report Error

The combined mean of two groups is 50. If n₁=20, mean₁=45, and n₂=30, mean₂ is:

A. 55

B. 52

C. 53.33

D. 50

Correct Answer: Option C

Explanation:
50 = (20×45 + 30×mean₂) / 50 → 2500 = 900 + 30×mean₂ → mean₂ = 1600/30 = 53.33.

This question belongs to: Accountancy and Statistics Statistics

Question #3 Report Error

If a variable can take only integer values, the data is:

A. Continuous

B. Discrete

C. Qualitative

D. Ordinal

Correct Answer: Option B

Explanation:
Integer values are discrete.

This question belongs to: Accountancy and Statistics Statistics