Author Question: When is a one-tailed test used? a. When no relationship is predicted b. When a relationship is ... (Read 29 times)

theo

  • Hero Member
  • *****
  • Posts: 698
When is a one-tailed test used?
 
  a. When no relationship is predicted
  b. When a relationship is predicted and the direction in which the scores will change is predicted
  c. When the demonstrated relationship is predicted
  d. When a relationship is predicted without stating the direction in which the scores will change

Question 2

When is a two-tailed test used?
 
  a. When no relationship is predicted
  b. When a relationship is predicted and the direction in which the scores will change is predicted
  c. When the demonstrated relationship is predicted
  d. When a relationship is predicted without stating the direction in which the scores will change



tanna.moeller

  • Sr. Member
  • ****
  • Posts: 328
Answer to Question 1

B

Answer to Question 2

D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

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).

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

For a complete list of videos, visit our video library