This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A linear regression line is assumed to . a. curve slightly upward sat the highest value of X b. ... (Read 164 times)

mspears3

  • Hero Member
  • *****
  • Posts: 586
on: Jun 20, 2018
A linear regression line is assumed to .
 
  a. curve slightly upward sat the highest value of X
   b. be a straight line relation throughout the range of X values
  c. curve slightly downward sat the lowest value of X
  d. assume a negative slope near zero if the correlation coefficient is negative

Question 2

If rfor variables X and Y = zero, then the _____ .
 
  a. best prediction of Y is the mean of Y
  b. regression equation will predict Y exactly
  c. mean of X will be higher than the mean of Y
  d. Y-intercept is equal to 1.0


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

JaynaD87

  • Sr. Member
  • ****
  • Posts: 368
Reply #1 on: Jun 20, 2018
Answer to Question 1

B

Answer to Question 2

A


mspears3

  • Hero Member
  • *****
  • Posts: 586
Reply #2 on: Jun 20, 2018
Thank you!


JaynaD87

  • Sr. Member
  • ****
  • Posts: 368
Reply #3 on: Jun 20, 2018
Happy to help


« previous next »
 

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Blood PH Curve Hemoglobin Blood PH Curve Hemoglobin
Why are some of the letters above the red line and some letters below? Why are some of the letters above the red line and some letters below?
Bell Curve for Intelligence IQ scores for a population-based sample usually fall into this kind of Bell Curve for Intelligence IQ scores for a population-based sample usually fall into this kind of
Select the Code with the Highest Level of Specificity Select the Code with the Highest Level of Specificity
Two radio antennas are 130 m apart on a north-south line. The two antennas radiate in phase at ... Two radio antennas are 130 m apart on a north-south line. The two antennas radiate in phase at ...
The line with the equation y=5x+12 intersects the parabola with equation y=xsqared+7x-3 at the ... The line with the equation y=5x+12 intersects the parabola with equation y=xsqared+7x-3 at the ...
Video: Kinetic parameters & Kinetic experiment

For a complete list of videos, visit our video library