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

Author Question: A researcher decides to use two strata from a population of size N=100, where 60 elements belong to ... (Read 60 times)

asmith134

  • Hero Member
  • *****
  • Posts: 576
on: Jun 29, 2018
A researcher decides to use two strata from a population of size N=100, where 60 elements belong to Stratum A and 40 to Stratum B. To obtain her sample of size n=20, the researcher randomly selects 12 elements from Stratum A and 8 elements from Stratum B. Which of the following best describes the resulting sample?
 a. Proportionate stratified sample
  b. Simple random sample
  c. Quota stratified sample
  d. Disproportionate stratified sample
  e. Homogeneous stratified sample

Question 2

One indication of homogeneity within strata is the
 a. size of the stratum's sample mean.
  b. size of the overall sample mean.
  c. number of elements within each stratum.
  d. weights used to calculate the overall variance of estimate.
  e. size of the standard error of estimate by stratum.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

parker125

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jun 29, 2018
Answer to Question 1

a

Answer to Question 2

E


asmith134

  • Member
  • Posts: 576
Reply 2 on: Jun 29, 2018
Excellent

ASDFGJLO

  • Member
  • Posts: 335
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

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.

The most abundant elements found in living organisms The most abundant elements found in living organisms
The head of the jaguar is robust and the jaw extremely powerful. The size of jaguars tends to increa The head of the jaguar is robust and the jaw extremely powerful. The size of jaguars tends to increa
Sun size comparison Sun size comparison
Scale used to measure pupil size in millimeters. Scale used to measure pupil size in millimeters.
Population Indicators Population Indicators
Opener A researcher examines an agarose gel Opener A researcher examines an agarose gel
Video: SNP Polymorphysim Microarray Chip - How to Test a Person's DNA

For a complete list of videos, visit our video library