In a Poisson distribution, P(X=0) = e^{-λ}. If λ=2, P(X=0) is about: MCQ with Answer and Explanation

In a Poisson distribution, P(X=0) = e^{-λ}. If λ=2, P(X=0) is about:

A. 0.135

B. 0.05

C. 0.271

D. 0.2

Answer: Option A

e^{-2} ≈ 0.1353.

This question belongs to: Accountancy and Statistics Statistics

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Question #1 Report Error

Which part of a statistical table provides an explanation of the abbreviations or symbols used in the table?

A. Title

B. Footnote

C. Headnote

D. Stub

Correct Answer: Option B

Explanation:
Footnotes are placed at the bottom of the table to clarify any specific entries, symbols, or abbreviations.

This question belongs to: Accountancy and Statistics Statistics

Question #2 Report Error

Which measure of central tendency can be determined graphically from an ogive?

A. Median

B. Geometric mean

C. Mode

D. Mean

Correct Answer: Option A

Explanation:
Median is the x-value corresponding to cumulative frequency N/2 on the ogive.

This question belongs to: Accountancy and Statistics Statistics

Question #3 Report Error

Crude Birth Rate (CBR) is the number of live births per:

A. 1000 women

B. 1000 live births

C. 1000 population

D. 100 population

Correct Answer: Option C

Explanation:
CBR = (Live births / Mid-year total population) × 1000.

This question belongs to: Accountancy and Statistics Statistics