« previous next »

Author Question: For testing the difference between two population proportions, the pooled proportion estimate is ... (Read 123 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?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Comparing Prison Inmates With The U.S. Population Comparing Prison Inmates With The U.S. Population
Projections of the Racial-Ethnic Makeup of the U.S. Population Projections of the Racial-Ethnic Makeup of the U.S. Population
The Great Spike in World Population Growth The Great Spike in World Population Growth
Distribution of the World’s Population Distribution of the World’s Population
Testing for Homans’ sign Testing for Homans’ sign
Testing distant vision Testing distant vision
Video: Five phases of cardiac cycle & Atrial contraction

For a complete list of videos, visit our video library