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

Author Question: If the coefficient of determination is 0.975, then the slope of the regression line: a. must be ... (Read 143 times)

Pineappleeh

  • Hero Member
  • *****
  • Posts: 585
on: Jul 24, 2018
If the coefficient of determination is 0.975, then the slope of the regression line:
 a. must be positive
  b. must be negative
  c. could be either positive or negative
  d. must be 0
  e. none of these

Question 2

Given the least squares regression line y = -2.48 + 1.63x, and a coefficient of determination of 0.81, the coefficient of correlation is:
 a. -0.85
  b. 0.85
  c. -0.90
  d. 0.90
  e. -0.81


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Heffejeff

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Jul 24, 2018
Answer to Question 1

C

Answer to Question 2

D


Pineappleeh

  • Member
  • Posts: 585
Reply 2 on: Jul 24, 2018
YES! Correct, THANKS for helping me on my review

abro1885

  • Member
  • Posts: 337
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

cell line selection cell line selection
Spectral Line Motion in Binary Star Systems Spectral Line Motion in Binary Star Systems
Paternity Determination by Blood Type Paternity Determination by Blood Type
Factors affecting determination of pulse oxygen saturation Factors affecting determination of pulse oxygen saturation
William A. Garnett, Erosion and Strip Farms, East Slope of the Tehachapi Mountains. William A. Garnett, Erosion and Strip Farms, East Slope of the Tehachapi Mountains.
A new drug development time line with the four phases of drug approval. A new drug development time line with the four phases of drug approval.
Video: B cells and antibodies

For a complete list of videos, visit our video library