The notation (αβ) indicates items that: MCQ with Answer and Explanation

Question Report Error

The notation (αβ) indicates items that:

A. Possess A but not B

B. Possess both A and B

C. Possess B but not A

D. Possess neither A nor B

Answer: Option D

Solution (By JKExamLibrary)

α is not A, β is not B, so (αβ) = items without A and without B.

This question belongs to: Accountancy and Statistics Statistics

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Question #1 Report Error

If a die is rolled, the sample space is:

A. {1,2,3,4,5}

B. {0,1,2,3,4,5,6}

C. {2,4,6}

D. {1,2,3,4,5,6}

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Correct Answer: Option D

Explanation:
A fair die has six possible outcomes: 1,2,3,4,5,6.

This question belongs to: Accountancy and Statistics Statistics

Question #2 Report Error

Assertion (A): The crude death rate of a developed country may be higher than that of a developing country. Reason (R): Developed countries often have an older age structure. Choose the correct option:

A. Both A and R are true, and R is the correct explanation of A

B. A is false, R is true

C. Both A and R are true, but R is not the correct explanation of A

D. A is true, R is false

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Correct Answer: Option A

Explanation:
CDR can be higher in developed countries due to larger elderly population, despite lower age-specific mortality. R explains A.

This question belongs to: Accountancy and Statistics Statistics

Question #3 Report Error

If the arithmetic mean of a sample is 20 and median is 22, the distribution is likely:

A. Negatively skewed

B. Symmetric

C. Normal

D. Positively skewed

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Correct Answer: Option A

Explanation:
Mean < Median suggests negative skewness (left-skewed).

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