Author Question: If a researcher reported for an independent-groups t test that t(18) = 2.90, p< .01, how many ... (Read 60 times)

craiczarry

  • Hero Member
  • *****
  • Posts: 527
If a researcher reported for an independent-groups t test that t(18) = 2.90, p< .01, how many participants were there in the study?
 
  a. 18
  b. 20
  c. 10
  d. 9

Question 2

Simple random sampling guarantees that the sample will be representative of the population.
 
  a. True
  b. False
  Indicate whether the statement is true or false



yasmina

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

b

Answer to Question 2

False



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Did you know?

The horizontal fraction bar was introduced by the Arabs.

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?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

For a complete list of videos, visit our video library