Author Question: What distribution does the test statistic have for testing whether or not the reduced model is ... (Read 56 times)

TVarnum

  • Hero Member
  • *****
  • Posts: 548

  What distribution does the test statistic have for testing whether or not the reduced model is correct using H0: versus Ha: at least one among is not 0?
 

  a.F distribution with dfnumerator = k - l, dfdenominator = n - (k + 1)
  b.chi-squared distribution
  c.t distribution with df = n - (k + 1)
  d.t distribution with df = n - 2

Question 2


  Using the Minitab output below, what is a 90 confidence interval for in the multiple regression model shown when n = 81?
 
 

  a.(3178, 8810)
  b.(4.40, 6.18)
  c.(-63,878, -35,506)
  d.(2370, 9618)



vickybb89

  • Sr. Member
  • ****
  • Posts: 347
Answer to Question 1

correct: a

Answer to Question 2

correct: d



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Did you know?

The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

For a complete list of videos, visit our video library