This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The _______ confidence interval for the population mean is always wider than the _______ confidence ... (Read 98 times)

melina_rosy

  • Hero Member
  • *****
  • Posts: 531
on: Jun 19, 2018
The _______ confidence interval for the population mean is always wider than the _______ confidence interval for the population mean.
 
  a. 99; 95 c. both of these
  b. 95; 99 d. none of these

Question 2

If the population parameters are known, the t test is _________ powerful than the z test.
 
  a. more c. equally
  b. less d. need more information


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

brittanywood

  • Sr. Member
  • ****
  • Posts: 355
Reply #1 on: Jun 19, 2018
Answer to Question 1

A

Answer to Question 2

B


melina_rosy

  • Member
  • Posts: 531
Reply 2 on: Jun 19, 2018
Wow, this really help

Chelseyj.hasty

  • Member
  • Posts: 319
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

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?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Population genetics sample question Population genetics sample question
Risk of death from motorcycle accidents (dashed lines) and passenger accidents (solid lines) per 100 Risk of death from motorcycle accidents (dashed lines) and passenger accidents (solid lines) per 100
World Population Growth, 1750-2150 World Population Growth, 1750-2150
Population Distribution Population Distribution
Population growth and growth rate, 1950 - 2100 Population growth and growth rate, 1950 - 2100
Distribution of the World’s Population Distribution of the World’s Population
Video: Introduction to Diabetes

For a complete list of videos, visit our video library