This topic contains a solution. Click here to go to the answer

Author Question: The sign of t is important because it indicates whether _____. a. the result is consistent with ... (Read 58 times)

Cooldude101

  • Hero Member
  • *****
  • Posts: 557
The sign of t is important because it indicates whether _____.
 
  a. the result is consistent with the null hypothesis
  b. there was a mistake in the calculations
  c. the result is consistent with a nondirectional hypothesis
  d. the result is consistent with a directional alternative hypothesis

Question 2

The value of t is positive when _____.
 
  a. subject variance is greater than treatment variance
  b. the mean of the treatment group is greater than the mean of the control group
  c. subject variance is less than treatment variance
  d. the mean of the treatment group is less than the mean of the control group



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

LVPMS

  • Sr. Member
  • ****
  • Posts: 323
Answer to Question 1

D
IF the independent variable increased the scores, t will be positive; if it decreased the scores, it will be negative. A directional alternative hypothesis specifies the direction of the change caused by the independent variable.

Answer to Question 2

B
The mean of the control group is subtracted from the mean of the treatment group in the numerator of the formula for the t test.




Cooldude101

  • Member
  • Posts: 557
Reply 2 on: Jun 19, 2018
:D TYSM


robbielu01

  • Member
  • Posts: 336
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

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?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

The FDA recognizes 118 routes of administration.

For a complete list of videos, visit our video library