This topic contains a solution. Click here to go to the answer

Author Question: A researcher has calculated a variance of 9 for a data set. What is this data set's standard ... (Read 13 times)

Marty

  • Hero Member
  • *****
  • Posts: 553
A researcher has calculated a variance of 9 for a data set. What is this data set's standard deviation?
 
  a. 1
  b. 3
  c. 4
  d. 5

Question 2

Which is true about the variance for scores in a data set?
 
  a. A larger variance value usually indicates a smaller dispersion of scores.
  b. It can be calculated for nominal scores.
  c. The calculated score has no absolute value.
  d. The variance indicates the range of scores.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

SAUXC

  • Sr. Member
  • ****
  • Posts: 318
Answer to Question 1

ANS: B

Answer to Question 2

ANS: C




Marty

  • Member
  • Posts: 553
Reply 2 on: Jul 8, 2018
:D TYSM


steff9894

  • Member
  • Posts: 337
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

For a complete list of videos, visit our video library