The middle value in an ordered array is called the: MCQ with Answer and Explanation

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The middle value in an ordered array is called the:

A. Mean

B. Mode

C. Median

D. Range

Answer: Option C

Solution (By JKSSB Mock Tests)

Median is the central value when data are sorted.

This question belongs to: Accountancy and Statistics Statistics

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Question #1

An ogive is used to determine:

A. Mode

B. Mean

C. Median

D. Standard deviation

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Correct Answer: Option C

Explanation:
The median can be read from the ogive at the N/2 cumulative frequency.

This question belongs to: Accountancy and Statistics Statistics

Question #2

If TFR = 2.1 in a population with negligible migration, this suggests:

A. Immediate population doubling

B. Population stability in the long run

C. Rapid population growth

D. Population decline

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Correct Answer: Option B

Explanation:
A TFR of approximately 2.1 is the replacement-level fertility in low-mortality populations, meaning each generation of women has enough daughters to replace themselves, leading to eventual population stabilization.

This question belongs to: Accountancy and Statistics Statistics

Question #3

In attribute theory, the term 'ultimate class frequencies' refers to:

A. Total frequency N

B. Frequencies of the fundamental disjoint classes like (AB), (Aβ), etc.

C. Cumulative frequencies of classes

D. Frequencies of the original attributes only

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Correct Answer: Option B

Explanation:
Ultimate classes are the non-overlapping categories formed by combinations of attributes and their negations.

This question belongs to: Accountancy and Statistics Statistics

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