Question: A sales manager is interested in determining the relationship between the amount spent on advertising and total sales. the manger collects data for the past
A sales manager is interested in determining the relationship between the amount spent on advertising and total sales. the manger collects data for the past months and runs a regression of sales on advertising expenditures. The results wth some missing values are presented below.
| Regression Statistics | |
| Multiple R R Square Adjusted R Square Standard Error Observations | 0.492 0.242 0.208 40.975 |
| ANOVA | |||||
| df | SS | MS | F | Significance | |
| Regression Residual Total | 1
|
|
|
|
|
| Coefficients | Standard Error | t Stat | P-value | |
| Constant Advertising |
|
|
|
What is the mean square error (MSE)?
Select one:
a.
b. cannot be determined
c.
d.
e.
A regression between foot length (response variable in cm) and height (explanatory variable in inches) for students resulted in the following regression equation: = + x. One student in the sample was 73 inches tall with a foot length of 29 cm. What is the predicted foot length for this student?
Select one:
a.
b.
c.
d. none of them
e.
A sales manager is interested in determining the relationship between the amount spent on advertising and total sales. the manger collects data for the past months and runs a regression of sales on advertising expenditures. The results wth some missing values are presented below.
| Regression Statistics | |
| Multiple R R Square Adjusted R Square Standard Error Observations | 0.492 0.242 0.208 40.975 |
| ANOVA | |||||
| df | SS | MS | F | Significance | |
| Regression Residual Total | 1
|
|
|
|
|
| Coefficients | Standard Error | t Stat | P-value | |
| Constant Advertising |
|
|
|
How much of the variation is explained by the model?
Select one:
a. %
b. %
c. %
d. %
e. %
A sales manager is interested in determining the relationship between the amount spent on advertising and total sales. the manger collects data for the past months and runs a regression of sales on advertising expenditures. The results wth some missing values are presented below.
| Regression Statistics | |
| Multiple R R Square Adjusted R Square Standard Error Observations | 0.492 0.242 0.208 40.975 |
| ANOVA | |||||
| df | SS | MS | F | Significance | |
| Regression Residual Total | 1
|
|
|
|
|
| Coefficients | Standard Error | t Stat | P-value | |
| Constant Advertising |
|
|
|
To test the significance of the regression what is the test statistic value?
Select one:
a.
b. either or
c. either or
d.
e.
A sales manager is interested in determining the relationship between the amount spent on advertising and total sales. the manger collects data for the past months and runs a regression of sales on advertising expenditures. The results wth some missing values are presented below.
| Regression Statistics | |
| Multiple R R Square Adjusted R Square Standard Error Observations | 0.492 0.242 0.208 40.975 |
| ANOVA | |||||
| df | SS | MS | F | Significance | |
| Regression Residual Total | 1
|
|
|
|
|
| Coefficients | Standard Error | t Stat | P-value | |
| Constant Advertising |
|
|
|
What is the total sum of squares (SStotal)?
Select one:
a. cannot be determined
b.
c.
d.
e.
Step by Step Solution
There are 3 Steps involved in it
Get step-by-step solutions from verified subject matter experts
