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 87 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?

There are 20 feet of blood vessels in each square inch of human skin.

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

An individual affected by xeroderma pigmentosum An individual affected by xeroderma pigmentosum
Verterbral Column Anatomy Verterbral Column Anatomy
Finding the angle from a ratio (Part 1) Finding the angle from a ratio (Part 1)
Brain metabolism in a schizophrenic individual (left) and a normal individual (right). These scans o Brain metabolism in a schizophrenic individual (left) and a normal individual (right). These scans o
Anterior View of the Spinal Column Showing Anterior and Posterior Longitudinal Ligaments Anterior View of the Spinal Column Showing Anterior and Posterior Longitudinal Ligaments
Genome-wide SNP-based heritability for individual behavioral disorders Genome-wide SNP-based heritability for individual behavioral disorders
Video: New DNA Strand Replication

For a complete list of videos, visit our video library