Author Question: In an experiment with 50 participants, which division of participants into groups would have the ... (Read 59 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?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

The longest a person has survived after a heart transplant is 24 years.

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

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?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

For a complete list of videos, visit our video library