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Author Question: A researcher decides to use two strata from a population of size N=100, where 60 elements belong to ... (Read 46 times)

asmith134

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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.


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parker125

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Reply #1 on: Jun 29, 2018
Answer to Question 1

a

Answer to Question 2

E


asmith134

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Reply 2 on: Jun 29, 2018
Great answer, keep it coming :)

phuda

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Reply 3 on: Yesterday
Excellent

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