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 83 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
Great answer, keep it coming :)

ebonylittles

  • Member
  • Posts: 318
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Ancient Warming Shrunk Horses to Housecat Size Ancient Warming Shrunk Horses to Housecat Size
Nose Size Nose Size
The paleoanthropologist must understand these deformations in order to figure out which strata a fos The paleoanthropologist must understand these deformations in order to figure out which strata a fos
Chimpanzees and horses have brains that are similar in size. Chimpanzees and horses have brains that are similar in size.
Roller lifter from a GM Duramax 6.6 liter V-8 diesel engine. Notice the size of this lifter compared ... Roller lifter from a GM Duramax 6.6 liter V-8 diesel engine. Notice the size of this lifter compared ...
The relationship between allelic frequency and genotypic frequency in a population that is in Hardy- The relationship between allelic frequency and genotypic frequency in a population that is in Hardy-
Video: Introduction to Pre-eclampsia

For a complete list of videos, visit our video library