Correlation and Regression Quiz | Correlation and Regression Multiple Choice Questions and Answers

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Questions
1 The independent variable is also called:
A Regressor
B Regressand
C Predictand
D Estimated

Answer: Regressor
2 The dependent variable is also called:
A Regressand variable
B Predictand variable
C Explained variable
D All of these

Answer: All of these
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3 The dependent variable is also called:
A Regression
B Regressand
C Continuous variable
D Independent

Answer: Regressand
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

Answer: Less than 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

Answer: 2
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

Answer: 0
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

Answer: b = 0
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

Answer: 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

Answer: b > 0
11 If the value of any regression coefficient is zero, then two variables are:
A Qualitative
B Correlation
C Dependent
D Independent

Answer: Independent
12 In simple regression equation, the numbers of variables involved are:
A 0
B 1
C 2
D 3

Answer: 2
13 In simple linear regression, the numbers of unknown constants are:
A One
B Two
C Three
D Four

Answer: Two
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

Answer: Slope
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

Answer: Intercept
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

Answer: Minimum
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

Answer: Regression

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