This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A researcher has calculated a variance of 9 for a data set. What is this data set's standard ... (Read 42 times)

Marty

  • Hero Member
  • *****
  • Posts: 553
on: Jul 8, 2018
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
Reply #1 on: Jul 8, 2018
Answer to Question 1

ANS: B

Answer to Question 2

ANS: C


Marty

  • Member
  • Posts: 553
Reply 2 on: Jul 8, 2018
Great answer, keep it coming :)

irishcancer18

  • Member
  • Posts: 310
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

The nitrogen cycle. Numbers represent fluxes as 1012 g N per year (data from Schlesinger 1991, after The nitrogen cycle. Numbers represent fluxes as 1012 g N per year (data from Schlesinger 1991, after
Treatment of Depression with Ketamine The graph shows the effects of ketamine on symptoms of depress Treatment of Depression with Ketamine The graph shows the effects of ketamine on symptoms of depress
Standard precaution guidelines. Additional guidelines/protocols may be utilized depending on the ... Standard precaution guidelines. Additional guidelines/protocols may be utilized depending on the ...
How to write a quadratic equation in standard form when a graph is given How to write a quadratic equation in standard form when a graph is given
Hubbard’s Predication of Peak in U.S Oil Production with Actual Data Hubbard’s Predication of Peak in U.S Oil Production with Actual Data
The Standard Rain Gauge The Standard Rain Gauge
Video: Gastrulation: cross section of the frog

For a complete list of videos, visit our video library