Description

This mock test of Test: Correlation And Regression- 7 for CA Foundation helps you for every CA Foundation entrance exam.
This contains 40 Multiple Choice Questions for CA Foundation Test: Correlation And Regression- 7 (mcq) to study with solutions a complete question bank.
The solved questions answers in this Test: Correlation And Regression- 7 quiz give you a good mix of easy questions and tough questions. CA Foundation
students definitely take this Test: Correlation And Regression- 7 exercise for a better result in the exam. You can find other Test: Correlation And Regression- 7 extra questions,
long questions & short questions for CA Foundation on EduRev as well by searching above.

QUESTION: 1

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

Solution:

QUESTION: 2

If for two variable x and y, the covariance, variance of x and variance of y are 40, 16 and 256 respectively, what is the value of the correlation coefficient?

Solution:

QUESTION: 3

The difference between the observed value and estimated value in regression analysis is known as

Solution:

QUESTION: 4

The method applied for deriving the regression equations is known as

Solution:

QUESTION: 5

The errors in case of regression equation are

Solution:

QUESTION: 6

If the relationship between two variables x and y in given by 2x+3y+4=0, then the value of the correlation coefficient between x and y is

Solution:

QUESTION: 7

Product moment correlation coefficient may be defined as the ratio of

Solution:

QUESTION: 8

When r = 1, all the points in a scatter diagram would lie

Solution:

QUESTION: 9

What is the quickest method to find correlation between two variables?

Solution:

QUESTION: 10

If the value of correlation coefficient is positive, then the points in a scatter diagram tend to cluster

Solution:

QUESTION: 11

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

Solution:

QUESTION: 12

The coefficient of correlation between two variables

Solution:

QUESTION: 13

For finding correlation between two attributes, we consider

Solution:

QUESTION: 14

In case the correlation coefficient between two variables is 1, the relationship between the two variables would be

Solution:

QUESTION: 15

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

Solution:

QUESTION: 16

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

Solution:

QUESTION: 17

The covariance between two variables is

Solution:

QUESTION: 18

What are the limits of the correlation coefficient?

Solution:

Limit: Coefficient values can range from +1 to -1, where +1 indicates a perfect positive relationship, -1 indicates a perfect negative relationship, and a 0 indicates no relationship exists.. Pure number: It is independent of the unit of measurement.

QUESTION: 19

What are the limits of the coefficient of concurrent deviation?

Solution:

QUESTION: 20

Product moment correlation coefficient is considered for

Solution:

QUESTION: 21

What is spurious correlation?

Solution:

QUESTION: 22

Scatter diagram is considered for measuring

Solution:

QUESTION: 23

The correlation between the speed of an automobile and the distance travelled by it after applying the brakes is

Solution:

**ANSWER :- a**

**Solution :- Initially the acceleration will be negative then finally the speed and distance will become 0.**

QUESTION: 24

Regression analysis is concerned with

Solution:

QUESTION: 25

Correlation analysis aims at

Solution:

QUESTION: 26

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

Solution:

QUESTION: 27

If the plotted points in a scatter diagram lie from upper left to lower right, then the correlation is

Solution:

QUESTION: 28

The correlation between shoe-size and intelligence is

Solution:

QUESTION: 29

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

Solution:

QUESTION: 30

For a p x q bivariate frequency table, the maximum number of marginal distributions is

Solution:

QUESTION: 31

Bivariate Data are the data collected for

Solution:

QUESTION: 32

Scatter diagram helps us to

Solution:

QUESTION: 33

If all the plotted points in a scatter diagram lie on a single line, then the correlation is

Solution:

QUESTION: 34

For a p x q classification of bivariate data, the maximum number of conditional distributions is

Solution:

QUESTION: 35

If the plotted points in a scatter diagram are evenly distributed, then the correlation is

Solution:

QUESTION: 36

If the lines of regression in a bivariate distribution are given by x+2y=5 and 2x+3y=8, then the coefficient of correlation is:

Solution:

QUESTION: 37

If the correlation coefficient between two variables is 1, then the two lines of regressions are:

Solution:

QUESTION: 38

If the covariance between two variables is 20 and the variance of one of the variables is 16, what would be the variance of the variables is 16, what would be the variance of the other variable?

Solution:

QUESTION: 39

The coefficient of correlation is significant if:

Solution:

QUESTION: 40

If the sum of square of differences of rank is 50 and number of items is 8 then what is the value of rank correlation coefficient.

Solution:

- Test: Correlation And Regression- 7
Test | 40 questions | 40 min

- Test: Correlation And Regression- 6
Test | 40 questions | 40 min

- Test: Correlation And Regression- 4
Test | 40 questions | 40 min

- Test: Correlation And Regression- 5
Test | 40 questions | 40 min

- Test: Correlation And Regression- 3
Test | 40 questions | 40 min