Author Question: A sample made up of volunteers may be biased because a. the control group and the experimental ... (Read 64 times)

bucstennis@aim.com

  • Hero Member
  • *****
  • Posts: 532
A sample made up of volunteers may be biased because
 
  a. the control group and the experimental group can never be equated
  b. it is not economical
  c. they may not be representative of the total population
  d. none of the above

Question 2

The median is always:
 
  a. an actual score
  b. at the 50th percentile
  c. larger than the mean
  d. the same as the arithmetic average



kthug

  • Sr. Member
  • ****
  • Posts: 332
Answer to Question 1

C

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Did you know?

The average adult has about 21 square feet of skin.

Did you know?

Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

For a complete list of videos, visit our video library