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

Author Question: The mean of a column of difference scores is equal to a. the ratio of the means of the individual ... (Read 65 times)

big1devin

  • Hero Member
  • *****
  • Posts: 583
on: Jun 20, 2018
The mean of a column of difference scores is equal to
 
  a. the ratio of the means of the individual columns.
  b. the difference between the means of the individual columns.
  c. the sample size.
  d. We can't tell without calculating it for a set of data.

Question 2

A difference score is obtained by
 
  a. subtracting the Before score from the After score.
  b. subtracting the After score from the Before score.
  c. dividing After scores by Before scores.
  d. either a or b, just so long as you are consistent


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

HandsomeMarc

  • Sr. Member
  • ****
  • Posts: 360
Reply #1 on: Jun 20, 2018
Answer to Question 1

B

Answer to Question 2

D


big1devin

  • Hero Member
  • *****
  • Posts: 583
Reply #2 on: Jun 20, 2018
Thank you!


HandsomeMarc

  • Sr. Member
  • ****
  • Posts: 360
Reply #3 on: Jun 20, 2018
Happy to help


« previous next »
 

Did you know?

Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

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?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Surface magnetic field of SU Aur (a young star of T Tauri type), reconstructed by means of Zeeman-Do Surface magnetic field of SU Aur (a young star of T Tauri type), reconstructed by means of Zeeman-Do
(a) The Dmanisi cranium (right) shows similarities to early African H. erectus including the Narioko (a) The Dmanisi cranium (right) shows similarities to early African H. erectus including the Narioko
On March 25, 1911, as scores of young factory girls leaped to their deaths from the eighth, ninth, a On March 25, 1911, as scores of young factory girls leaped to their deaths from the eighth, ninth, a
Failure of the Equal Rights Amendment, 1972–1982 Failure of the Equal Rights Amendment, 1972–1982
The oxygen sensor provides a quick response at the stoichiometric air–fuel ratio of 14.7:1. The oxygen sensor provides a quick response at the stoichiometric air–fuel ratio of 14.7:1.
. In which distribution is the mean more “typical” of all scores? . In which distribution is the mean more “typical” of all scores?
Video: Cellular slime mold life cycle Animation

For a complete list of videos, visit our video library