Author Question: The letter in the formula for constructing a confidence interval estimate of the population mean ... (Read 139 times)

yoroshambo

  • Hero Member
  • *****
  • Posts: 566
The letter  in the formula for constructing a confidence interval estimate of the population mean is:
 a. the level of confidence.
  b. the probability that a particular confidence interval will contain the population mean.
  c. the area in the lower tail of the sampling distribution of the sample mean.
  d. None of these choices.

Question 2

In a multiple regression analysis involving k independent variables and n data points, the number of degrees of freedom associated with the sum of squares for error is:
 a. k - 1 c. n - 1
  b. n - k d. n - k - 1



Pamela.irrgang@yahoo.com

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

D

Answer to Question 2

D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

Did you know?

The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

Did you know?

All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

For a complete list of videos, visit our video library