Author Question: The temperature readings for 20 fall days (degrees Fahrenheit) in Wheeling, West Virginia, are ... (Read 61 times)

bobbysung

  • Hero Member
  • *****
  • Posts: 519
The temperature readings for 20 fall days (degrees Fahrenheit) in Wheeling, West Virginia, are normally distributed with a mean of 5.5 degrees and a standard deviation of 1.5 degrees. Determine the 90 confidence interval estimate for the fall mean temperature.

Question 2

Consider the following statistics of a multiple regression model: Total variation in y = 1000 . SSE = 300, n = 50, and k = 4.
 a. Determine the standard error of estimate.
  b. Determine the coefficient of determination.
  c. Determine the F-statistic.



ambernicolefink

  • Sr. Member
  • ****
  • Posts: 359
Answer to Question 1

LCL = 4.9 degrees and UCL = 6.05 degrees.

Answer to Question 2

a. s = 2.582
b. R2 = 70
c. F = MSR/MSE = 26.25



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Did you know?

In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

For a complete list of videos, visit our video library