Author Question: In an experiment with 50 participants, which division of participants into groups would have the ... (Read 58 times)

skymedlock

  • Hero Member
  • *****
  • Posts: 561
In an experiment with 50 participants, which division of participants into groups would have the most power?
 
  A) 15 experimental, 35 control
  B) 40 experimental, 10 control
  C) 25 experimental, 25 control
  D) all divisions would have the same power

Question 2

You conducted a t test for independent means, and found that the t score equaled 0. This means that
 
  A) the two population means must be equal.
  B) the two population variances must be equal.
  C) the two sample means must be equal.
  D) the two sample variances must be equal.



macmac

  • Sr. Member
  • ****
  • Posts: 343
Answer to Question 1

C

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

Did you know?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

For a complete list of videos, visit our video library