This topic contains a solution. Click here to go to the answer

Author Question: In a two-factor ANOVA, where a is the number of factor A levels and b is the number of factor B ... (Read 96 times)

olgavictoria

  • Hero Member
  • *****
  • Posts: 528
In a two-factor ANOVA, where a is the number of factor A levels and b is the number of factor B levels, the number of degrees of freedom for the interaction term is
 a. (a - 1)(b - 1)
  b. ab - 1
  c. (a - 1) + (b - 1)
  d. Unknown; need to know the number of replicates.

Question 2

The mean of the sample means and the pooled standard deviation of 40 samples of size 5 taken from a production process under control are found to be 400 and 15, respectively. The lower control limit for the x chart is:
 a. 460.37
  b. 392.88
  c. 379.88
  d. None of these choices.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Pamela.irrgang@yahoo.com

  • Sr. Member
  • ****
  • Posts: 323
Answer to Question 1

A

Answer to Question 2

C





 

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

Did you know?

Approximately 25% of all reported medication errors result from some kind of name confusion.

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

For a complete list of videos, visit our video library