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

Author Question: Determine the time that you had to spend in the queue. A) 9 minutes 20 seconds B) 10 minutes 57 ... (Read 157 times)

lak

  • Hero Member
  • *****
  • Posts: 546
Determine the time that you had to spend in the queue.
 
  A) 9 minutes 20 seconds
  B) 10 minutes 57 seconds
  C) 9 minutes 57 seconds
  D) 10 minutes 20 seconds

Question 2

Compute the 95 confidence interval for the mean difference. What is the conclusion?
 
  What will be an ideal response?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

asware1

  • Sr. Member
  • ****
  • Posts: 318
Answer to Question 1

C

Answer to Question 2

The 95 confidence interval for the mean difference is (0.267, 0.646 ).
The confidence interval for the mean difference does not contain 0. Therefore, the null hypothesis is rejected and hence, it can be concluded that the mean success rate of the students has increased after the orientation program. This is the same conclusion obtained using the paired t-test.





 

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

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?

Illicit drug use costs the United States approximately $181 billion every year.

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?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

For a complete list of videos, visit our video library