Correlation and Regression (CA Foundation Maths, Statictics, Logic, and Reasoning): Questions 25 - 30 of 42

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Question number: 25

» Correlation and Regression

MCQ▾

Question

Bivariate Data are the data collected for

Choices

Choice (4) Response
a.

Two variables at different points of time.

b.

More than two variables

c.

Two variables

d.

Two variables at the same point of time

Question number: 26

» Correlation and Regression

MCQ▾

Question

For a bivariate frequency table having (p + q) classification the total number of cells is

Choices

Choice (4) Response
a.

pq

b.

p

c.

p + q

d.

q

Question number: 27

» Correlation and Regression

MCQ▾

Question

Some of the cell frequencies in a bivariate frequency table may be

Choices

Choice (4) Response
a.

Negative

b.

Zero

c. Question does not provide sufficient data or is vague
d. All of the above

Question number: 28

» Correlation and Regression

MCQ▾

Question

Correlation analysis aims at

Choices

Choice (4) Response
a.

Predicting one variable for a given value of the other variable

b.

Measuring the extent of relation between two variables

c.

Establishing relation between two variables

d. Both b. and c. are correct

Question number: 29

» Correlation and Regression

MCQ▾

Question

Since Blood Pressure of a person depends on age, we need consider

Choices

Choice (4) Response
a.

The regression equation of Blood Pressure on age

b.

The regression equation of age on Blood Pressure

c. None of the above
d. All of the above

Question number: 30

» Correlation and Regression

MCQ▾

Question

If there is a perfect disagreement between the marks in Geography and Statistics, then What would be the value of rank correlation coefficient?

Choices

Choice (4) Response
a.

Only –1

b.

Any value

c.

Only 1

d. None of the above

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