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

Author Question: Two conditions are required to test a claim about two population standard deviations. What are they? ... (Read 157 times)

penza

  • Hero Member
  • *****
  • Posts: 1,022
on: Jul 24, 2018
Two conditions are required to test a claim about two population standard deviations. What are they?
 
  A) The samples are independent and the population is normal.
  B) The samples are mutually exclusive and the population is normal.
  C) The samples are independent and the populations are randomly selected.
  D) The samples are mutually exclusive and the population are randomly selected.

Question 2

Find the standardized test statistic, z, to test the hypothesis that p1 ? p2. Use a = 0.02. The sample statistics listed below are from independent samples. Sample statistics: n1 = 1000, x1 = 250, and n2 = 1200, x2 = 195
 
  A) 5.087 B) 2.798 C) 4.761 D) 3.212


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

juiceman1987

  • Sr. Member
  • ****
  • Posts: 316
Reply #1 on: Jul 24, 2018
Answer to Question 1

A

Answer to Question 2

A


penza

  • Member
  • Posts: 1,022
Reply 2 on: Jul 24, 2018
Excellent

nothere

  • Member
  • Posts: 324
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Did you know?

The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

Man undergoing a stress test on a treadmill while physician monitors his condition Man undergoing a stress test on a treadmill while physician monitors his condition
GEN. BIO. TEST HELP [EMERGENCY] GEN. BIO. TEST HELP [EMERGENCY]
Instructions for Completing the CMS-1500 (02/12) Claim Form Continued Instructions for Completing the CMS-1500 (02/12) Claim Form Continued
To check for voltage at terminal 30, use a test light or a voltmeter. Start by connecting the ... To check for voltage at terminal 30, use a test light or a voltmeter. Start by connecting the ...
How to choose the right payment plan with changing conditions (Question 4) How to choose the right payment plan with changing conditions (Question 4)
Hares and Lynx population change "الأرانب البرية و الوشق" Hares and Lynx population change "الأرانب البرية و الوشق"
Video: Random alignment at Metaphase I Animation

For a complete list of videos, visit our video library