« previous next »

Author Question: A researcher uses an analysis of variance to test for mean differences among three treatments with a ... (Read 22 times)

asmith134

  • Hero Member
  • *****
  • Posts: 576
on: Jun 20, 2018
A researcher uses an analysis of variance to test for mean differences among three treatments with a sample of n = 12 in each treatment. The F-ratio for this analysis would have which df values?
 
  A) df = 2, 11
  B) df = 2, 33
  C) df = 2, 35
  D) df = 2, 36

Question 2

There is a six-point difference between two sample means. If the two samples have the same variance, then which of the following values for the variance would make the mean difference easiest to see in a graph showing the two distributions.
 
  A) s2 = 2
  B) s2 = 8
  C) s2 = 16
  D) s2 = 64


EAN94

  • Sr. Member
  • ****
  • Posts: 307
Reply #1 on: Jun 20, 2018
Answer to Question 1

B

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Differences in embryonic development between protostomes and deuterostomes. Differences in embryonic development between protostomes and deuterostomes.
Patient having glaucoma test. Patient having glaucoma test.
Tumor marker analysis of a patient undergoing therapy, who (1) after surgery had residual disease ... Tumor marker analysis of a patient undergoing therapy, who (1) after surgery had residual disease ...
Flow cytometry data that shows the differences in CD3+ CD4+ cells that occur with HIV infection. ... Flow cytometry data that shows the differences in CD3+ CD4+ cells that occur with HIV infection. ...
Performing the manual compression test Performing the manual compression test
Outgroup role in relative rate test Outgroup role in relative rate test
Video: Arthritis

For a complete list of videos, visit our video library