Author Question: Increasing the confidence-interval level from .95 to .99 a. increases the likelihood of including ... (Read 66 times)

tnt_battle

  • Hero Member
  • *****
  • Posts: 556
Increasing the confidence-interval level from .95 to .99
 
  a. increases the likelihood of including the population mean within its limits
  b. decreases the likelihood of including the population mean within its limits
  c. increases the number of degrees of freedom
  d. none of these, since a confidence interval may never include the true population mean

Question 2

If two variables are correlated,
 
  a. prediction of one variable from another is reasonable.
  b. prediction of one variable from another is not possible.
  c. regression cannot be linear.
  d. a curvilinear relationship exists.



Benayers

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

a

Answer to Question 2

a



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The cure for trichomoniasis is easy as long as the patient does not drink alcoholic beverages for 24 hours. Just a single dose of medication is needed to rid the body of the disease. However, without proper precautions, an individual may contract the disease repeatedly. In fact, most people develop trichomoniasis again within three months of their last treatment.

Did you know?

Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

For a complete list of videos, visit our video library