Research Methods and Statistics-Statistics in Psychology [GATE (Graduate Aptitude Test in Engineering) Psychology]: Questions 1 - 5 of 98

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Question 1

Question MCQ▾

Resulting data from a test of academic knowledge are positively skewed. This suggests that

Choices

Choice (4)Response

a.

the test was too difficult.

b.

an unbiased estimate must be calculated.

c.

some students benefited from a “halo effect” .

d.

the test was too easy.

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Question 2

Question MCQ▾

Which of the following is the formula of ‘Mean’ .

Choices

Choice (4)Response

a.

b.

c.

d.

None of the above

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Question 3

Question MCQ▾

Distributions may vary in terms of their

Choices

Choice (4)Response

a.

variability.

b.

skewness.

c.

kurtosis.

d.

All a., b. and c. are correct

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Question 4

Question MCQ▾

The formula which is used in standard deviation is ________.

Choices

Choice (4)Response

a.

Standard deviation is equal to square root of variance

b.

Standard deviation is equal to square root of deviation

c.

Standard deviation is equal to square root of frequency

d.

Standard deviation is equal to square of variance

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Question 5

Question MCQ▾

The mode is

Choices

Choice (4)Response

a.

the arithmetic average of all of the scores in a distribution.

b.

a reliable indicator of the variability within a distribution.

c.

the most frequently occurring score in a distribution.

d.

All of the above

Edit