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

Author Question: We would NOT pool the variances if a. we had too few subjects. b. we had too many subjects. c. ... (Read 49 times)

fasfsadfdsfa

  • Hero Member
  • *****
  • Posts: 554
We would NOT pool the variances if
 
  a. we had too few subjects.
  b. we had too many subjects.
  c. The means were clearly different.
  d. we had very unequal sample variances.

Question 2

When we speak about pooling variances we are referring to
 
  a. averaging the two groups' variances.
  b. using the variance of the larger group.
  c. adding up the variances in each of two groups and dividing by 2.
  d. taking the variance of both sets of data combined.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kjo;oj

  • Sr. Member
  • ****
  • Posts: 328
Answer to Question 1

D

Answer to Question 2

A




fasfsadfdsfa

  • Member
  • Posts: 554
Reply 2 on: Jun 20, 2018
Great answer, keep it coming :)


at

  • Member
  • Posts: 359
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

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

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

For a complete list of videos, visit our video library