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Author Question: Why might a researcher choose to conduct a stratified random sample over a simple random sample? ... (Read 180 times)

neverstopbelieb

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on: Jul 24, 2018
Why might a researcher choose to conduct a stratified random sample over a simple random sample? Give two reasons.

Question 2

With a (an) __________ sample, everyone in the population must have a specified chance of making it into the sample.
 Fill in the blank(s) with correct word


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helenmarkerine

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Reply #1 on: Jul 24, 2018
Answer to Question 1

ANY TWO OF THE FOLLOWING: 1) YOU CAN FIND (AND COMPARE) INDIVIDUAL ESTIMATES FOR EACH GROUP; 2) IF THE VARIABLE MEASURED GIVES MORE CONSISTENT VALUES WITHIN EACH GROUP, THE RESULTS ARE MORE ACCURATE; 3) MAY BE CHEAPER, IF STRATA ARE GEOGRAPHICALLY SEPARATED; 4) YOU COULD USE DIFFERENT INTERVIEWERS FOR EACH OF THE STRATA.

Answer to Question 2

PROBABILITY


neverstopbelieb

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Reply 2 on: Jul 24, 2018
Excellent

irishcancer18

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Reply 3 on: Yesterday
Gracias!

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