« previous next »

Author Question: If we have a regression line predicting the amount of improvement in your performance as a function ... (Read 86 times)

mia

  • Hero Member
  • *****
  • Posts: 564
on: Jun 20, 2018
If we have a regression line predicting the amount of improvement in your performance as a function of the amount of tutoring you receive, an intercept of 12 would mean that
 
  a. you need to have 12 hours of tutoring to get an A.
  b. if you don't have any tutoring, the best you can do is a grade of 12.
  c. even without tutoring you will improve.
  d. tutoring helps.

Question 2

When the slope of the regression line is positive, the line goes from
 
  a. upper left to lower right.
  b. lower left to upper right.
  c. the line is flat.
  d. It depends on the intercept.


s.meritte

  • Sr. Member
  • ****
  • Posts: 306
Reply #1 on: Jun 20, 2018
Answer to Question 1

C

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

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?

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.

The function of a ligand-gated ion channel The function of a ligand-gated ion channel
A Double-Line Spectroscopic Binary A Double-Line Spectroscopic Binary
Probability of Major Depression as a Function of 5-HTT Allele and Levels of Maltreatment ... Probability of Major Depression as a Function of 5-HTT Allele and Levels of Maltreatment ...
Fuel should be heard returning to the fuel tank at the fuel return line if the fuel pump and ... Fuel should be heard returning to the fuel tank at the fuel return line if the fuel pump and ...
Converting enzyme activity to its amount Converting enzyme activity to its amount
Calculus help: Find a cubic function f (x) = ax3 +bx2 +cx+d that has a local maximum value of 3 ... Calculus help: Find a cubic function f (x) = ax3 +bx2 +cx+d that has a local maximum value of 3 ...
Video: Type of Transport - Active and Passive Processes

For a complete list of videos, visit our video library