Author Question: Regression analysis was applied between sales data (y in 1000s) and advertising data (x in 100s) and ... (Read 78 times)

meagbuch

  • Hero Member
  • *****
  • Posts: 568
Regression analysis was applied between sales data (y in 1000s) and advertising data (x in 100s) and the following information was obtained. y = 12 + 1.8x n = 17 SSR = 225 SSE = 75 sb1 = .2683 The critical t value for testing the significance of the slope, at a .05 level of significance, is
 a. 1.753.
  b. 2.131.
  c. 1.746.
  d. 2.120.

Question 2

A characteristic of interest for the elements is called a(n) _____.
 a. sample
  b. data set
  c. variable
  d. observation



mammy1697

  • Sr. Member
  • ****
  • Posts: 341
Answer to Question 1

b

Answer to Question 2

c



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

Did you know?

According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.

Did you know?

The FDA recognizes 118 routes of administration.

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

For a complete list of videos, visit our video library