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Author Question: Values of Y predicted from values of X are symbolized by . a. Ypred b. Y c. Yp d. Y ... (Read 47 times)

hubes95

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on: Aug 2, 2018
Values of Y predicted from values of X are symbolized by .
 
  a. Ypred
 b. Y
  c. Yp
 d. Y '

Question 2

A teacher at a school obtains a sample of students by selecting a random sample of 20 students from each grade.
 
  What kind of sampling is being used here? Will the resulting sample be a simple random sample of the population of students at the school? Explain your thinking.


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jamesnevil303

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Reply #1 on: Aug 2, 2018
Answer to Question 1

D

Answer to Question 2

This is stratified sampling. The sample obtained will not be a simple random sample because different samples of students have different chances of being selected.


hubes95

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Reply 2 on: Aug 2, 2018
Excellent

mammy1697

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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