« previous next »

Author Question: The symbol is used to represent the sample mean. Indicate whether the statement is true or ... (Read 92 times)

Lobcity

  • Hero Member
  • *****
  • Posts: 524
on: Jun 24, 2018
The symbol  is used to represent the sample mean.
 
  Indicate whether the statement is true or false

Question 2

Find the coefficient of determination of this simple linear model. What does this statistic tell you about the model?
 
  What will be an ideal response?


jamesnevil303

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Jun 24, 2018
Answer to Question 1

FALSE

Answer to Question 2

Since the coefficient of determination R2 = 0.325, this means that only 32.5 of the variation in weekly sales is explained by this simple linear model, while 67.5 remains unexplained. We may conclude that the simple linear model does not provide a good fit to this data set.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

Some drug labels show the USP symbol; others do not. Some drug labels show the USP symbol; others do not.
Sample purchase order form. Sample purchase order form.
Sample new patient registration form. Sample new patient registration form.
Example of a patient statement. Example of a patient statement.
How long does it take for 90% of a sample of strontium-90 (half-life of 28.8 years) to decay? How long does it take for 90% of a sample of strontium-90 (half-life of 28.8 years) to decay?
A sample of work by a Grade 4 student with a specific learning disorder A sample of work by a Grade 4 student with a specific learning disorder
Video: Cellular slime mold life cycle Animation

For a complete list of videos, visit our video library