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

Author Question: If you wish to construct 92 lower confidence bound (LCB) for the difference between population means ... (Read 87 times)

Mimi

  • Hero Member
  • *****
  • Posts: 542
If you wish to construct 92 lower confidence bound (LCB) for the difference between population means in case of large samples, then the z-value you should use is approximately:
 a. 2.58
  b. 1.96
  c. 1.65
  d. 1.41
  e. 1.06

Question 2

The power and the efficiency of a test cannot be used alone to determine the choice of a test. Explain in detail.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

yeungji

  • Sr. Member
  • ****
  • Posts: 319
Answer to Question 1

D

Answer to Question 2

Sometimes you will be forced to use a certain test because of the data you are given. When there is a decision to be made, the final decision rests in a trade-off of three factors: (1) the power of the test, (2) the efficiency of the test, and (3) the data (and the number of data) available.





 

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

Did you know?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

Did you know?

Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

For a complete list of videos, visit our video library