Author Question: If a standard deviation for a set of scores is9.0, then the variance for those scores is _____ . ... (Read 24 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?

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?

Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

Did you know?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

Did you know?

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

For a complete list of videos, visit our video library