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 111 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
Excellent

debra928

  • Member
  • Posts: 342
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

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?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

A genetic bottleneck reduces a population temporarily to very low levels, removing much of its genet A genetic bottleneck reduces a population temporarily to very low levels, removing much of its genet
Projections of the Racial-Ethnic Makeup of the U.S. Population Projections of the Racial-Ethnic Makeup of the U.S. Population
Population size, 1970 - 2050 Population size, 1970 - 2050
Average Annual Growth Rates of Population by Country Group Average Annual Growth Rates of Population by Country Group
The population of a city has continued to grow since 1950. The population of a city has continued to grow since 1950.
Gray Morris's Calculate with Confidence, Canadian Edition, 2nd Edition Gray Morris's Calculate with Confidence, Canadian Edition, 2nd Edition
Video: Introduction to Pre-eclampsia

For a complete list of videos, visit our video library