Author Question: Test at the 10 level of significance the null hypothesis that the population mean sales are the same ... (Read 42 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?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

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?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

For a complete list of videos, visit our video library