« previous next »

Author Question: For testing the difference between two population proportions, the pooled proportion estimate is ... (Read 121 times)

big1devin

  • Hero Member
  • *****
  • Posts: 583
on: Jun 24, 2018
For testing the difference between two population proportions, the pooled proportion estimate is found by taking:
 a. the proportion of successes from sample 1 plus the proportion of successes from sample 2.
  b. the total number of successes in both samples divided by the total of both sample sizes.
  c. the difference between the proportion of successes in each sample.
  d. None of these choices.

Question 2

Which of the following will be reflected by deseasonalized time series?
 a. Trend effects
  b. Cyclical effects
  c. Random variation
  d. All of these choices are true.


amcvicar

  • Sr. Member
  • ****
  • Posts: 341
Reply #1 on: Jun 24, 2018
Answer to Question 1

B

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

Did you know?

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Testing the patellar reflex with a percussion hammer. Testing the patellar reflex with a percussion hammer.
Sensitivity Testing Sensitivity Testing
Normal Values for Urinalysis Testing Normal Values for Urinalysis Testing
The Inverted Income Pyramid: The Proportion of Income Received by Each Fifth of the U.S. Population The Inverted Income Pyramid: The Proportion of Income Received by Each Fifth of the U.S. Population
The Great Spike in World Population Growth The Great Spike in World Population Growth
Video: Hormones and the menstrual cycle Animation

For a complete list of videos, visit our video library