# Statistics & Research Methods (CBSE-NET (Based on NTA-UGC) Psychology (Paper-II)): Questions 47 - 51 of 184

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## Question number: 47

» Statistics & Research Methods » Inferential Statistics

MCQ▾

### Question

Which among the following coefficients of a correlation demonstrates the weakest relationship between two variables?

### Choices

Choice (5) Response

a.

1.00

b.

-1.00

c.

0.08

d.

-0.28

e.

0.51

## Question number: 48

» Statistics & Research Methods » Skewness

MCQ▾

### Question

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

### Choices

Choice (4) Response

a.

the test was too easy.

b.

the test was too difficult.

c.

some students benefited from a “halo effect”.

d.

an unbiased estimate must be calculated.

## Question number: 49

» Statistics & Research Methods » Measures of Central Tendency

MCQ▾

### Question

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

### Choices

Choice (4) Response

a.

X/N and Sum of all scores (X) /number of scores

b.

Sum of all scores (X) /number of scores

c.

X/N

d.

Question does not provide sufficient data or is vague

## Question number: 50

» Statistics & Research Methods » Application of Statistics in Psychology

MCQ▾

### Question

From which type of test administered to members of the general population would you LEAST expect the resulting data to be distributed normally?

### Choices

Choice (4) Response

a.

A test to measure knowledge of psychometric principles.

b.

A test to measure self-esteem.

c.

A test to measure the strength of one’s hand grip.

d.

A test to measure general intelligence and fund of knowledge.

## Question number: 51

» Statistics & Research Methods » Inferential Statistics

Appeared in Year: 2013

MCQ▾

### Question

In a single group pretest- post test design, which one of the statistical method can be best employed to evaluate the mean difference of pre and post tests? (December)

### Choices

Choice (4) Response

a.

Mann- Whitney U test

b.

Chi-square

c.

Repeated measures ANOVA

d.

Randomized ANOVA

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