Author Question: Given the following information, calculate the degrees of freedom that should be used in the ... (Read 36 times)

karateprodigy

  • Hero Member
  • *****
  • Posts: 550
Given the following information, calculate the degrees of freedom that should be used in the pooled-variance t test.
   s12 = 4 s22 = 6
   n1 = 16 n2 = 25
 
  A) df = 39 B) df = 41 C) df = 25 D) df = 16

Question 2

In testing for the differences between the means of two independent populations, you assume that the 2 populations each follow a(n) ________ distribution.
 
  Fill in the blank(s) with correct word



lgoldst9

  • Sr. Member
  • ****
  • Posts: 372
Answer to Question 1

A

Answer to Question 2

normal



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

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

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

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.

For a complete list of videos, visit our video library