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

Author Question: One of the assumptions for the t test for independent means is that A) sample means are not ... (Read 112 times)

ssal

  • Hero Member
  • *****
  • Posts: 572
on: Jun 20, 2018
One of the assumptions for the t test for independent means is that
 
  A) sample means are not significantly different.
  B) the mean of the distribution of differences between means is 1.
  C) the variance of each of the parent populations is the same.
  D) the mean of each of the parent populations vary by no more than 1 standard deviation.

Question 2

The upper and lower ends of a confidence interval are the
 
  A) interval estimates.
  B) certainty brackets.
  C) multi-point estimates.
  D) confidence limits.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

enass

  • Sr. Member
  • ****
  • Posts: 380
Reply #1 on: Jun 20, 2018
Answer to Question 1

C

Answer to Question 2

D


ssal

  • Hero Member
  • *****
  • Posts: 572
Reply #2 on: Jun 20, 2018
Thank you!


enass

  • Sr. Member
  • ****
  • Posts: 380
Reply #3 on: Jun 20, 2018
Happy to help


« previous next »
 

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Pulmonary function test Pulmonary function test
How long does it take for 90% of a sample of strontium-90 (half-life of 28.8 years) to decay? How long does it take for 90% of a sample of strontium-90 (half-life of 28.8 years) to decay?
A latex agglutination test for rheumatoid factor. A positive control at 1. A negative control at 2. ... A latex agglutination test for rheumatoid factor. A positive control at 1. A negative control at 2. ...
ABO and Rh grouping using gelatin centrifugation. The blood sample above is AB negative as indicated ... ABO and Rh grouping using gelatin centrifugation. The blood sample above is AB negative as indicated ...
Cover test Cover test
The Ames test for potential mutagenicity of chemical compounds The Ames test for potential mutagenicity of chemical compounds
Video: Glycolysis - Introduction to ATP and the burning of sugar

For a complete list of videos, visit our video library