This topic contains a solution. Click here to go to the answer

Author Question: The null and alternative hypotheses for p = proportion of students who buy at least 3 textbooks in a ... (Read 177 times)

Wadzanai

  • Hero Member
  • *****
  • Posts: 528
The null and alternative hypotheses for p = proportion of students who buy at least 3 textbooks in a semester is given below: H0: p = 0.80 (or p  0.80) Ha: p > 0.80 The results of a study gave a p-value of 0.08 . The results of this study also stated that the study results were not statistically significant. What mistake could the researchers have made?

Question 2

In which of the following scenarios is a paired design not appropriate?
 a. Comparison of the wear pattern on one's left shoe and one's right shoe.
  b. Comparison of a cream and an ointment in the treatment of a rash, where the ointment is applied to half the rash and the cream to the other half.
  c. Comparison of the average energy use of two brands of dishwashers.
  d. Comparison of the accuracy of taking a person's temperature orally and in the ear, where each person's temperature is taken using both methods.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mathjasmine

  • Sr. Member
  • ****
  • Posts: 312
Answer to Question 1

Type 2.

Answer to Question 2

C




Wadzanai

  • Member
  • Posts: 528
Reply 2 on: Jul 24, 2018
Gracias!


ultraflyy23

  • Member
  • Posts: 312
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

For a complete list of videos, visit our video library