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 76 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 lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

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?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

For a complete list of videos, visit our video library