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 162 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
:D TYSM

Kedrick2014

  • Member
  • Posts: 359
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

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?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

Rinne Test, Assessing Air Conduction Rinne Test, Assessing Air Conduction
Worldwide Variations in Population and Income Levels Developed countries represent only 18% of the Worldwide Variations in Population and Income Levels Developed countries represent only 18% of the
In a typical proteomic analysis, cells are exposed to different conditions In a typical proteomic analysis, cells are exposed to different conditions
The Ames test, which screens compounds for potential mutagenicity The Ames test, which screens compounds for potential mutagenicity
Test of Yanofsky’s Proposed trp Operon Gene Order Test of Yanofsky’s Proposed trp Operon Gene Order
Human Progeroid Conditions Human Progeroid Conditions
Video: Helper T cell receptors, activation, proliferation, differentiation & action

For a complete list of videos, visit our video library