# Statistics & Research Methods (CBSE-NET (Based on NTA-UGC) Psychology (Paper-II)): Questions 114 - 120 of 184

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## Question number: 114

» Statistics & Research Methods » Measures of Central Tendency

MCQ▾

### Question

A measure of ________ is simply a number describing a “middle score” around which other score falls.

### Choices

Choice (4) Response

a.

Variability

b.

Central tendency

c.

Frequency

d.

All of the above

## Question number: 115

» Statistics & Research Methods » Inferential Statistics

MCQ▾

### Question

The simplest way of visualizing a correlation is to construct a ________.

### Choices

Choice (4) Response

a.

Diagram

b.

Scatter diagram

c.

Graph

d.

All of the above

## Question number: 116

» Statistics & Research Methods » Basic Descriptive Statistics

MCQ▾

### Question

An alternate way of graphing scores is the more familiar ________.

### Choices

Choice (4) Response

a.

Graphical

b.

Frequency histogram

c.

Frequency polygon

d.

All of the above

## Question number: 117

» Statistics & Research Methods » Factor Analysis

MCQ▾

### Question

Which is most useful in determining whether different items on a test are measuring the same thing?

### Choices

Choice (4) Response

a.

Co-validation.

b.

Test tryout.

c.

Cross-validation.

d.

Factor analysis.

## Question number: 118

» Statistics & Research Methods » Inferential Statistics

MCQ▾

### Question

The most commonly used correlation coefficient is called ________.

### Choices

Choice (4) Response

a.

Pearson coefficient

b.

Correlation

c.

Rank correlation coefficient

d.

All of the above

## Question number: 119

» Statistics & Research Methods » Measures of Central Tendency

MCQ▾

### Question

________ is found by arranging scores from the highest to the lowest and selecting the score that falls in the middle.

### Choices

Choice (4) Response

a.

Average

b.

Median

c.

Mean

d.

Mode

## Question number: 120

» Statistics & Research Methods » Measures of Variation

MCQ▾

### Question

The most widely used measure of correlation is

### Choices

Choice (4) Response

a.

the Pearson r.

b.

Spearman’s rho.

c.

the rank-difference correlation coefficient.

d.

the Spearman-Brown prophecy formula.

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