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

Author Question: If we are testing for the difference between the means of two independent populations with equal ... (Read 104 times)

Sportsfan2111

  • Hero Member
  • *****
  • Posts: 585
on: Jun 24, 2018
If we are testing for the difference between the means of two independent populations with equal variances, samples of n1 = 15 and n2 = 15 are taken, then the number of degrees of freedom is equal to
 a. 13 c. 28
  b. 14 d. 29

Question 2

Random variation is one of the four different components of a time series. It is caused by irregular and unpredictable changes in a time series that are not caused by any other component. It tends to mask the existence of the other more predictable components.
  Indicate whether the statement is true or false


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Tabitha_2016

  • Sr. Member
  • ****
  • Posts: 344
Reply #1 on: Jun 24, 2018
Answer to Question 1

C

Answer to Question 2

T


Sportsfan2111

  • Member
  • Posts: 585
Reply 2 on: Jun 24, 2018
Great answer, keep it coming :)

ttt030911

  • Member
  • Posts: 315
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

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

Did you know?

Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Before the advent of vaccinations and antibiotics, infectious diseases such as cholera were the scou Before the advent of vaccinations and antibiotics, infectious diseases such as cholera were the scou
Testing Conservation Testing Conservation
Failure of the Equal Rights Amendment, 1972–1982 Failure of the Equal Rights Amendment, 1972–1982
Testing the arterial supply to the lower extremities Testing the arterial supply to the lower extremities
Testing distant vision Testing distant vision
Testing visual fields by confrontation Testing visual fields by confrontation
Video: Mechanics of Sound Animation

For a complete list of videos, visit our video library