BUAL 2650 GUPTA EXAM 2 newest actual 2025/2026 WITH
questions and 100% ACCURATE SOLUTIONS.
All of the following are assumptions of the error terms in the
simple linear regression model except
a. error terms have a constant variance
b. error terms are dependent on each other
c. error terms have a mean of zero
d. errors are normally distributed - ---Answers---b. error
terms are dependent on each other
CH 14 Quiz
The ________ measures the strength of the linear relationship
between the dependent variable and the independent variable.
a. Residual
b. correlation coefficient
c. distance value
d. Y-intercept - ---Answers---b. correlation coefficient
CH 14 Quiz
,In simple regression analysis, the quantity that gives the
amount by which Y(dependent variable) changes for a unit
change in X (independent variable) is called the ________.
a. slope of the regression line
b. correlation coefficient
c. coefficient of determination
d. standard error
e. y-intercept of the regression line - ---Answers---a. slope
of the regression line
CH 14 Quiz
A simple regression analysis with 20 observations would yield
________ degrees of freedom error and ________ of freedom
total.
a. 18, 20
b. 18, 19
c. 1, 20
d. 1, 19
e. 19, 20 - ---Answers---b. 18, 19
CH 14 Quiz
, The correlation coefficient may assume any value between
_______.
a. 0 and 8
b. −1 and 1
c. −∞ and ∞
d. 0 and 1
e. −1 and 0 - ---Answers---b. −1 and 1
CH 14 Quiz
The following results were obtained as part of a simple
regression analysis.
r2 = .9162
F statistic from the F table = 3.59
Calculated value of F from the ANOVA table = 81.87
α = .05
p-value = .000
The null hypothesis of no linear relationship between the
dependent variable and the independent variable _____
a. cannot be tested with the given information
b. is not rejected
questions and 100% ACCURATE SOLUTIONS.
All of the following are assumptions of the error terms in the
simple linear regression model except
a. error terms have a constant variance
b. error terms are dependent on each other
c. error terms have a mean of zero
d. errors are normally distributed - ---Answers---b. error
terms are dependent on each other
CH 14 Quiz
The ________ measures the strength of the linear relationship
between the dependent variable and the independent variable.
a. Residual
b. correlation coefficient
c. distance value
d. Y-intercept - ---Answers---b. correlation coefficient
CH 14 Quiz
,In simple regression analysis, the quantity that gives the
amount by which Y(dependent variable) changes for a unit
change in X (independent variable) is called the ________.
a. slope of the regression line
b. correlation coefficient
c. coefficient of determination
d. standard error
e. y-intercept of the regression line - ---Answers---a. slope
of the regression line
CH 14 Quiz
A simple regression analysis with 20 observations would yield
________ degrees of freedom error and ________ of freedom
total.
a. 18, 20
b. 18, 19
c. 1, 20
d. 1, 19
e. 19, 20 - ---Answers---b. 18, 19
CH 14 Quiz
, The correlation coefficient may assume any value between
_______.
a. 0 and 8
b. −1 and 1
c. −∞ and ∞
d. 0 and 1
e. −1 and 0 - ---Answers---b. −1 and 1
CH 14 Quiz
The following results were obtained as part of a simple
regression analysis.
r2 = .9162
F statistic from the F table = 3.59
Calculated value of F from the ANOVA table = 81.87
α = .05
p-value = .000
The null hypothesis of no linear relationship between the
dependent variable and the independent variable _____
a. cannot be tested with the given information
b. is not rejected
