Measures of Central Tendency (CA Foundation Maths, Statictics, Logic, and Reasoning): Questions 16 - 21 of 21

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Question number: 16

» Measures of Central Tendency

MCQ▾

Question

Which measure is based on only the central fifty percent of the observations?

Choices

Choice (4) Response

a.

Quartile deviation

b.

Standard deviation

c.

Mean deviation

d.

Question does not provide sufficient data or is vague

Question number: 17

» Measures of Central Tendency

MCQ▾

Question

Which of the following statements is correct?

Choices

Choice (4) Response

a.

Two distributions may have the different measures of central tendency but identical measures of dispersion.

b.

Two distributions may have the identical measures of central tendency but different measures of dispersion.

c.

Two distributions may have identical measures of central tendency and dispersion.

d.

All a. , b. and c. are correct

Question number: 18

» Measures of Central Tendency

MCQ▾

Question

A shift of origin has no impact on

Choices

Choice (4) Response

a.

Range

b.

Quartile deviation.

c.

Mean deviation

d.

Standard deviation

Question number: 19

» Measures of Central Tendency

MCQ▾

Question

If all the observations are multiplied by 2, then

Choices

Choice (4) Response

a.

New SD would be increased by 2

b.

New SD would be decreased by 2.

c.

New SD would be also multiplied by 2

d.

New SD would be half of the previous SD

Question number: 20

» Measures of Central Tendency

MCQ▾

Question

Which measure of dispersion has some desirable mathematical properties?

Choices

Choice (4) Response

a.

Standard deviation

b.

Quartile deviation

c.

Mean deviation

d.

None of the above

Question number: 21

» Measures of Central Tendency

MCQ▾

Question

Which one is easier to compute?

Choices

Choice (4) Response

a.

Relative measures of dispersion

b.

Range

c.

Absolute measures of dispersion

d.

None of the above

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