Author Question: Given the following information, calculate the degrees of freedom that should be used in the ... (Read 31 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?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

For a complete list of videos, visit our video library