This topic contains a solution. Click here to go to the answer

Author Question: Shown below is a portion of the computer output for a regression analysis relating sales (Y in ... (Read 58 times)

acwiles

  • Full Member
  • ***
  • Posts: 152

Shown below is a portion of the computer output for a regression analysis relating sales (Y in millions of dollars) and advertising expenditure (X in thousands of dollars).

Predictor

Coefficient

Standard Error

Constant

4.00

0.800

X

0.12

0.045


Analysis of Variance  
   
SOURCE

DF

SS

Regression

  1

1,400

Error

18

3,600


a.What has been the sample size for the above?
b.Perform a t test and determine whether or not advertising and sales are related. Let α = 0.05.
c.Compute the coefficient of determination.
d.Interpret the meaning of the value of the coefficient of determination that you found in Part c. Be very specific.
e.Use the estimated regression equation and predict sales for an advertising expenditure of $4,000. Give your answer in dollars.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by acwiles on Mar 25, 2023

khammond77

  • Full Member
  • ***
  • Posts: 156
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 50% of students answer this correctly




acwiles

  • Member
  • Posts: 152
Reply 2 on: Mar 25, 2023
Thanks for the timely response, appreciate it


hramirez205

  • Member
  • Posts: 345
Reply 3 on: Yesterday
Gracias!

 

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

For a complete list of videos, visit our video library