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

Author Question: If two population variances are known, the test for differences in the two population means does not ... (Read 100 times)

Jkov05

  • Hero Member
  • *****
  • Posts: 556
on: Jun 24, 2018
If two population variances are known, the test for differences in the two population means does not require the populations to be normally distributed if the sample sizes are large.
 
  Indicate whether the statement is true or false

Question 2

If Z is a standard normal random variable, the area between Z = 0.0 and Z = 1.25 compared to the area between Z = 1.25 and Z = 2.5 will be:
 
  A) smaller.
  B) larger.
  C) the same.
  D) There is not enough information to answer this question.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ecox1012

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

TRUE

Answer to Question 2

B


Jkov05

  • Hero Member
  • *****
  • Posts: 556
Reply #2 on: Jun 24, 2018
Thank you :)


ecox1012

  • Sr. Member
  • ****
  • Posts: 344
Reply #3 on: Jun 24, 2018
Happy to help you


« previous next »
 

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Animal extinctions and human population growth. Animal extinctions and human population growth.
Worldwide Variations in Population and Income Levels Developed countries represent only 18% of the Worldwide Variations in Population and Income Levels Developed countries represent only 18% of the
Performing a PKU Test Performing a PKU Test
Sensory Differences Between Species Sensory Differences Between Species
The fluctuation test of Luria and Delbrück The fluctuation test of Luria and Delbrück
Mutagenicity of aflatoxin B1 determined by the Ames test Mutagenicity of aflatoxin B1 determined by the Ames test
Video: Lipid catabolism - lipolysis and beta oxidation and oxidation of fatty acids

For a complete list of videos, visit our video library