CA Foundation Maths, Statictics, Logic, and Reasoning: Questions 137 - 143 of 154

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Question number: 137

» Statistical Description of Data » Frequency Distribution

MCQ▾

Question

Mutually exclusive classification is usually meant for

Choices

Choice (4) Response
a.

A discrete variable

b.

A continuous variable

c.

An attribute

d. None of the above

Question number: 138

» Statistical Description of Data » Tabular Representation of Data

MCQ▾

Question

The most accurate mode of data presentation is

Choices

Choice (4) Response
a.

Tabulation

b.

Diagrammatic method

c. Textual presentation
d. All of the above

Question number: 139

» Statistical Description of Data » Frequency Distribution

MCQ▾

Question

Mutually inclusive classification is usually meant for

Choices

Choice (4) Response
a.

A continuous variable

b.

A discrete variable

c.

An attribute

d. All of the above

Question number: 140

» 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: 141

» Correlation and Regression

MCQ▾

Question

For finding the degree of agreement about beauty between two Judges in a Beauty Contest, We use

Choices

Choice (4) Response
a. Coefficient of rank correlation
b.

Scatter diagram

c.

Coefficient of correlation

d.

Coefficient of concurrent deviation.

Question number: 142

» 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: 143

» Correlation and Regression

MCQ▾

Question

The covariance between two variables is

Choices

Choice (4) Response
a.

Always 0

b.

Strictly positive

c.

either positive or negative or zero.

d.

Strictly negative

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