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 15 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
Excellent


debra928

  • Member
  • Posts: 342
Reply 3 on: Yesterday
Gracias!

 

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

Did you know?

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

For a complete list of videos, visit our video library