When the mean value of the dependent variable is independent of variation in the independent variable,...
When the mean value of the dependent variable is independent of variation in the independent variable, the slope of the regression line is
| a. |
zero. |
|
| b. |
positive. |
|
| c. |
negative. |
|
| d. |
infinite. |
Homework Answers
Question just described a situation where y does not linearly depend on \(\mathrm{x}\), so slope must be zero.
a. zero.
Add Answer to:
When the mean value of the dependent variable is independent of variation in the independent variable,...
Homoscedasticity is found when variation of the dependent variable increases as the value of the independent...
Homoscedasticity is found when variation of the dependent variable increases as the value of the independent variable increases. True or false
1. In regression analysis, the Sum of Squares Total (SST) is a. The total variation of...
1. In regression analysis, the Sum of Squares Total (SST) is a. The total variation of the dependent variable b. The total variation of the independent variable c. The variation of the dependent variable that is explained by the regression line d. The variation of the dependent variable that is unexplained by the regression line Question 2 In regression analysis, the Sum of Squares Regression (SSR) is A. The total variation of the dependent variable B. The total variation of the independent variable...
When the dependent variable is on the y-axis and there is only one independent variable and...
When the dependent variable is on the y-axis and there is only one independent variable and it is placed on the x-axis, the error term for a given observation is the vertical distance between the observation and the TRUE regression line. True False What is the name for a variable that represents values of only zero and one? a discrete variable a time-series variable a dummy variable a continuous variable
Question 15 1 pts In a simple regression analysis (where y is a dependent and x...
Question 15 1 pts In a simple regression analysis (where y is a dependent and x an independent variable), if the y intercept is zero, then O the slope must be negative. o the slope can be positive, or zero, or negative. O there is no relationship between x and y. o the slope must be positive.
The following information regarding a dependent variable (Y in $1000) and an independent variable (X) is...
The following information
regarding a dependent variable (Y in $1000) and an independent
variable (X) is provided.
Y
Dependent Variable
15
17
23
17
I. The least-squares estimate of the slope
equals:
II. The least-squares estimate of the intercept
equals:
III. If the independent variable increases by 2
units, the dependent variable is expected to
a. decrease by $300
b. decrease by $3000
c. decrease by $3
d. decrease by $2
e. none of the above
The letter corresponding...
The following information regarding a dependent variable (Y in $1000) and an independent variable (X) is...
The following information regarding a dependent variable (Y in
$1000) and an independent variable (X) is provided.
Y
Dependent Variable
15
17
23
17
I. The least-squares estimate of the slope
equals:
II. The least-squares estimate of the intercept
equals:
III. If the independent variable increases by 2
units, the dependent variable is expected to
a. decrease by $300
b. decrease by $3000
c. decrease by $3
d. decrease by $2
e. none of the above
The letter corresponding...
Regression analysis is used to: A. Predict the value of the dependent variable vased on the...
Regression analysis is used to: A. Predict the value of the dependent variable vased on the value of at least one independent variable B. Explain changes in an independent variable on the dependent variable C. It offers proof of causation D. A & B only E. A, B, & C
According to this equation, what is the predicted value of the dependent variable when the independent variable has value 90?
The line of best fit through a set of data isy=−28.768+1.521xy=-28.768+1.521xAccording to this equation, what is the predicted value of the dependent variable when the independent variable has value 90?y = Round to 1 decimal place.
If the coefficient of correlation is 0.65, the percentage of variation in the dependent variable explained...
If the coefficient of correlation is 0.65, the percentage of variation in the dependent variable explained by the estimated regression equation is a. 0.65% b. 80% c. 0.42% d. 42.2%
Use linear regression to predict the value at X=10. Independent Variable Dependent Variable о о л...
Use linear regression to predict the value at X=10. Independent Variable Dependent Variable о о л о Ол Select one: a. 23.64 b. 2164 C. 4.23 d. 0,45
Question 15 1 pts In a simple regression analysis (where y is a dependent and x an independent variable), if the y intercept is zero, then O the slope must be negative. o the slope can be positive, or zero, or negative. O there is no relationship between x and y. o the slope must be positive.
The following information
regarding a dependent variable (Y in $1000) and an independent
variable (X) is provided.
Y
Dependent Variable
15
17
23
17
I. The least-squares estimate of the slope
equals:
II. The least-squares estimate of the intercept
equals:
III. If the independent variable increases by 2
units, the dependent variable is expected to
a. decrease by $300
b. decrease by $3000
c. decrease by $3
d. decrease by $2
e. none of the above
The letter corresponding...
The following information regarding a dependent variable (Y in
$1000) and an independent variable (X) is provided.
Y
Dependent Variable
15
17
23
17
I. The least-squares estimate of the slope
equals:
II. The least-squares estimate of the intercept
equals:
III. If the independent variable increases by 2
units, the dependent variable is expected to
a. decrease by $300
b. decrease by $3000
c. decrease by $3
d. decrease by $2
e. none of the above
The letter corresponding...
Use linear regression to predict the value at X=10. Independent Variable Dependent Variable о о л о Ол Select one: a. 23.64 b. 2164 C. 4.23 d. 0,45
Most questions answered within 3 hours.
-
The free energy change for the following reaction at 25 °C, when
[Sn2+] = 1.17 M...
asked 1 hour ago -
An MNE is this kind of industry when competition in one country
is essentially independent of...
asked 3 hours ago -
. For this set of questions, determine what
proportion of a normal distribution is located betweeneach...
asked 3 hours ago -
A college student is employed as a door-to-door newspaper
salesman. Historical data suggests that the student...
asked 4 hours ago -
MATLAB HW 11 problem using Switch Case and Input commands
Write a script file that calculates...
asked 4 hours ago -
Considering gravitational time dilation, calculate the time that
passes in Earth’s surface while 1 hour passes...
asked 5 hours ago -
Minitab Problem: Take the Lake Hume June rainfall data and find
use the processes outlined in...
asked 5 hours ago -
X Company is trying to decide whether to continue using old
equipment to make Product A...
asked 5 hours ago -
IN PYTHON ONLY !! Program 2: Re-work
program #5 (WeeklyHours) from the previous assignment such that...
asked 6 hours ago -
The average length of time between arrivals at a turnpike
toll-booth is 26 seconds. What is...
asked 8 hours ago -
(a) A piston at 6.1 atm contains a gas that occupies a volume of
3.5 L....
asked 9 hours ago -
Please answer true or false. Words
cannot be changed or added in to make it true...
asked 9 hours ago