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Free download in PDF Correlation and Regression Multiple Choice Questions and Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams. These short solved questions or quizzes are provided by Gkseries.
(1)
The independent variable is also called:
[A]
Regressor
[B]
Regressand
[C]
Predictand
[D]
Estimated
(2)
The dependent variable is also called:
[A]
Regressand variable
[B]
Predictand variable
[C]
Explained variable
[D]
All of these
(3)
The dependent variable is also called:
[A]
Regression
[B]
Regressand
[C]
Continuous variable
[D]
Independent
(4)
To determine the height of a person when his weight is given is:
[A]
Correlation problem
[B]
Association problem
[C]
Regression problem
[D]
Qualitative problem
Answer: Regression problem
(5)
If one regression coefficient is greater than one, then other will he:
[A]
More than one
[B]
Equal to one
[C]
Less than one
[D]
Equal to minus one
(6)
If Y = 2 - 0.2X, then the value of Y intercept is equal to:
[A]
-0.2
[B]
2
[C]
0.2X
[D]
All of the above
(7)
If regression line of = 5, then value of regression coefficient of Y on X is:
[A]
0
[B]
0.5
[C]
1
[D]
None of these
(8)
The straight line graph of the linear equation Y = a + bX, slope is horizontal if:
[A]
b = 0
[B]
b ≠ 0
[C]
b = 1
[D]
a = b
(9)
The straight line graph of the linear equation Y = a + bX, slope will be downward If:
[A]
b > 0
[B]
b < 0
[C]
b = 0
[D]
b ≠ 0
(10)
The straight line graph of the linear equation Y = a+ bX, slope will be upward if:
[A]
b = 0
[B]
b < 0
[C]
b > 0
[D]
b ≠ 0
(11)
If the value of any regression coefficient is zero, then two variables are:
[A]
Qualitative
[B]
Correlation
[C]
Dependent
[D]
Independent
(12)
In simple regression equation, the numbers of variables involved are:
(13)
In simple linear regression, the numbers of unknown constants are:
[A]
One
[B]
Two
[C]
Three
[D]
Four
(14)
The slope of the regression line of Y on X is also called the:
[A]
Correlation coefficient of X on Y
[B]
Correlation coefficient of Y on X
[C]
Regression coefficient of X on Y
[D]
Regression coefficient of Y on X
Answer: Regression coefficient of Y on X
(15)
The predicted rate of response of the dependent variable to changes in the independent variable is called:
[A]
Slope
[B]
Intercept
[C]
Error
[D]
Regression equation
(16)
The value we would predict for the dependent variable when the independent variables are all equal to zero is called:
[A]
Slope
[B]
Sum of residual
[C]
Intercept
[D]
Difficult to tell
(17)
All data points falling along a straight line is called:
[A]
Linear relationship
[B]
Non linear relationship
[C]
Residual
[D]
Scatter diagram
Answer: Linear relationship
(18)
A relationship where the flow of the data points is best represented by a curve is called:
[A]
Linear relationship
[B]
Nonlinear relationship
[C]
Linear positive
[D]
Linear negative
Answer: Linear relationship
(19)
The method of least squares dictates that we choose a regression line where the sum of the square of deviations of the points from the lie is:
[A]
Maximum
[B]
Minimum
[C]
Zero
[D]
Positive
(20)
A process by which we estimate the value of dependent variable on the basis of one or more independent variables is called:
[A]
Correlation
[B]
Regression
[C]
Residual
[D]
Slope
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