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CA Foundation Exam  >  CA Foundation Tests  >  Test: Correlation And Regression- 5 - CA Foundation MCQ

Test: Correlation And Regression- 5 - CA Foundation MCQ


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30 Questions MCQ Test - Test: Correlation And Regression- 5

Test: Correlation And Regression- 5 for CA Foundation 2024 is part of CA Foundation preparation. The Test: Correlation And Regression- 5 questions and answers have been prepared according to the CA Foundation exam syllabus.The Test: Correlation And Regression- 5 MCQs are made for CA Foundation 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Correlation And Regression- 5 below.
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Test: Correlation And Regression- 5 - Question 1
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If byx and bxy are negative, r is

Test: Correlation And Regression- 5 - Question 2
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Correlation coefficient r lie between the regression coefficients byx and bxy

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Test: Correlation And Regression- 5 - Question 3
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Since the correlation coefficient r cannot be greater than 1 numerically, the product of the regression must

Test: Correlation And Regression- 5 - Question 4
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The correlation coefficient r is the __________ of the two regression coefficients byx and bxy
Test: Correlation And Regression- 5 - Question 5
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Which are is true
Test: Correlation And Regression- 5 - Question 6
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Maximum value of Rank Correlation coefficient is
Test: Correlation And Regression- 5 - Question 7
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The partial correlation coefficient lies between
Test: Correlation And Regression- 5 - Question 8
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r12 is the correlation coefficient between
Test: Correlation And Regression- 5 - Question 9
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r12 is the same as r21
Test: Correlation And Regression- 5 - Question 10
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In case ‘Age and income’ correlation is
Test: Correlation And Regression- 5 - Question 11
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In case ‘Speed of an automobile and the distance required to stop the car often applying brakes’ – correlation is
Test: Correlation And Regression- 5 - Question 12
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In case ‘Sale of woolen garments and day temperature’–––– correlation is
Test: Correlation And Regression- 5 - Question 13
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In case ‘Sale of cold drinks and day temperature’ –––––– correlation is
Detailed Solution for Test: Correlation And Regression- 5 - Question 13

Correlation refers to the statistical relationship between two variables. If the values of two variables tend to change in the same direction, the correlation between them is positive. For example, if the sale of cold drinks increases as the day temperature increases, then there is a positive correlation between the sale of cold drinks and the day temperature.

On the other hand, if the values of two variables tend to change in opposite directions, the correlation between them is negative. For example, if the sale of cold drinks decreases as the day temperature increases, then there is a negative correlation between the sale of cold drinks and the day temperature.

If there is no statistical relationship between two variables, the correlation between them is zero. This means that the values of one variable do not tend to change in a predictable way in relation to the values of the other variable.

Option 1, "positive," is correct. Option 2, "negative," is incorrect. Option 3, "zero," is incorrect. Option 4, "none," is incorrect.

Test: Correlation And Regression- 5 - Question 14
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In case of ‘Production and price per unit’ – correlation is
Test: Correlation And Regression- 5 - Question 15
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If slopes at two regression lines are equal them r is equal to
Test: Correlation And Regression- 5 - Question 16
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Co–variance measures the joint variations of two variables.
Test: Correlation And Regression- 5 - Question 17
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The minimum value of correlation coefficient is
Test: Correlation And Regression- 5 - Question 18
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The maximum value of correlation coefficient is
Test: Correlation And Regression- 5 - Question 19
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When r = 0 , the regression coefficients are
Test: Correlation And Regression- 5 - Question 20
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For the regression equation of Y on X , 2x + 3Y + 50 = 0. The value of bYX is
Test: Correlation And Regression- 5 - Question 21
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In Method of Concurrent Deviations, only the directions of change (Positive direction / Negative direction) in the variables are taken into account for calculation of
Test: Correlation And Regression- 5 - Question 22
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In calculating the Karl Pearson’s coefficient of correlation it is necessary that the data should be of numerical measurements. The statement is
Test: Correlation And Regression- 5 - Question 23
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Correlation coefficient can be found out by
Detailed Solution for Test: Correlation And Regression- 5 - Question 23

Scatter diagrams are used to demonstrate correlation between two quantitative variables. Spearman's  Rank correlation coefficient is a technique which can be used to summarize the strength and direction of a relationship between two variables. 

Test: Correlation And Regression- 5 - Question 24
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 In rank correlation coefficient the association need not be linear
Test: Correlation And Regression- 5 - Question 25
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Great advantage of _________ is that it can be used to rank attributes which can not be expressed by way of numerical value.
Test: Correlation And Regression- 5 - Question 26
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Correlation coefficient is ___________ of the units of measurement.
Test: Correlation And Regression- 5 - Question 27
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 Rank correlation coefficient lies between
Test: Correlation And Regression- 5 - Question 28
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 A coefficient near +1 indicates tendency for the larger values of one variable to be associates with the larger values of the other
Test: Correlation And Regression- 5 - Question 29
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Correlation methods are used to study the relationship between two time series of data which are recorded annually, monthly, weekly, daily and so on.
Test: Correlation And Regression- 5 - Question 30
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 The value of correlation coefficient lies between
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