Author Question: Which of the following are not characteristics of the t distribution? a. has a mean = 0. b. has ... (Read 48 times)

jake

  • Hero Member
  • *****
  • Posts: 538
Which of the following are not characteristics of the t distribution?
 
  a. has a mean = 0.
  b. has a standard deviation greater than 1.00 for df less than infinity.
  c. varies with df.
  d. has no negative values.
  e. all of these are characteristics of the t distribution.

Question 2

If r = 0.84 and N = 5, the value of tobt for the test of the significance of r is _________.
 
  a. 1.96 c. 2.68
  b. 2.40 d. 3.46



zogaridan

  • Sr. Member
  • ****
  • Posts: 328
Answer to Question 1

D

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

Did you know?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

For a complete list of videos, visit our video library