Author Question: Test at the 10 level of significance the null hypothesis that the population mean sales are the same ... (Read 29 times)

jhjkgdfhk

  • Hero Member
  • *****
  • Posts: 569
Test at the 10 level of significance the null hypothesis that the population mean sales are the same for the three marketing schemes.
 
  What will be an ideal response?

Question 2

The right and left edges of the box in a box and whisker plot represent the 3rd and 1st quartiles, respectively.
 
  Indicate whether the statement is true or false



katkat_flores

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

H0 : 1 = 2 = 3
H1 : i  j for at least one pair (i, j)
Since p-value = 0.0736, we reject H0 at the 10 level of significance, and conclude that there is a difference in sales for at least two of the three marketing schemes.

Answer to Question 2

TRUE



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

For a complete list of videos, visit our video library