Correlation and Regression (CA Foundation Maths, Statistics, Logic, and Reasoning): Questions 25  30 of 42
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Question number: 25
» Correlation and Regression
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
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
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
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
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
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 
