Author Question: In a regression analysis, if SST = 500 and SSE = 300, then the coefficient of determination is a. ... (Read 140 times)

Metfan725

  • Hero Member
  • *****
  • Posts: 552
In a regression analysis, if SST = 500 and SSE = 300, then the coefficient of determination is
 a. .20.
  b. .67.
  c. .60.
  d. .40.

Question 2

The ticket sales for events held at the new civic center are believed to be normally distributed with a mean of 12,000 and a standard deviation of 1,000.
 a. What is the probability of selling more than 10,000 tickets?
  b. What is the probability of selling between 9,500 and 11,000 tickets?
  c. What is the probability of selling more than 13,500 tickets?



steff9894

  • Sr. Member
  • ****
  • Posts: 337
Answer to Question 1

d

Answer to Question 2

a. 0.9772
b. 0.1525
c. 0.0668



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

For a complete list of videos, visit our video library