Author Question: Increasing the confidence-interval level from .95 to .99 a. increases the likelihood of including ... (Read 67 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?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Did you know?

The average adult has about 21 square feet of skin.

For a complete list of videos, visit our video library