CA Foundation Maths, Statictics, Logic, and Reasoning: Questions 70 - 75 of 154

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Question number: 70

» Statistical Description of Data » Frequency Distribution

MCQ▾

Question

The LCB (Lower Class Boundary) is

Choices

Choice (4) Response

a.

An upper limit to LCL (Lower Class Limit)

b.

A lower limit to LCL

c.

Question does not provide sufficient data or is vague

d.

None of the above

Question number: 71

» Correlation and Regression

MCQ▾

Question

When we are not concerned with the magnitude of the two variables under discussion, we consider

Choices

Choice (4) Response

a.

Product moment correlation coefficient

b.

Rank correlation coefficient

c.

Coefficient of concurrent deviation

d.

All of the above

Question number: 72

» Measures of Central Tendency

MCQ▾

Question

If all the observations are increased by 10, then

Choices

Choice (4) Response

a.

Quartile deviation would be increased by 10

b.

SD would be increased by 10

c.

remain unchanged.

d.

Mean deviation would be increased by 10

Question number: 73

» Statistical Description of Data » Textual Representation of Data

MCQ▾

Question

Which method of data collection covers the widest area?

Choices

Choice (4) Response

a.

Mailed questionnaire method

b.

Telephone interview method

c.

Direct interview method

d.

Question does not provide sufficient data or is vague

Question number: 74

» Correlation and Regression

MCQ▾

Question

What is spurious correlation?

Choices

Choice (4) Response

a.

It is a negative correlation.

b.

It is a bad relation between two variables.

c.

It is very low correlation between two variables.

d.

It is the correlation between two variables having no causal relation.

Question number: 75

» Theoretical Distributions Binomial

MCQ▾

Question

Parameter is a characteristic of

Choices

Choice (4) Response

a.

Probability distribution.

b.

Sample

c.

Population

d.

All of the above

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