Author Question: If we have a regression line predicting the amount of improvement in your performance as a function ... (Read 37 times)

mia

  • Hero Member
  • *****
  • Posts: 564
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
Answer to Question 1

C

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

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?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

For a complete list of videos, visit our video library