Author Question: If a standard deviation for a set of scores is9.0, then the variance for those scores is _____ . ... (Read 32 times)

luvbio

  • Hero Member
  • *****
  • Posts: 623
If a standard deviation for a set of scores is9.0, then the variance for those scores is _____ .
 
  a. 81.0
  b. 18.0
  c. 9.0
  d. 3.0

Question 2

The height of a vertical bar is used to represent the frequency of occurrence of scores in a _____.
 
  a. simple frequency distribution
  b. stem-and-leaf plot
   c. histogram
  d. frequency polygon



bitingbit

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

A

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

Did you know?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

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.

For a complete list of videos, visit our video library