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Author Question: Suppose you observe a relationship between two categorical variables in a sample based on 22,000 ... (Read 158 times)

Mr3Hunna

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on: Jul 24, 2018
Suppose you observe a relationship between two categorical variables in a sample based on 22,000 people. If this observed relationship were based on a sample of 600 people rather than 22,000, how would this affect the believability of the results (if at all)? Explain your answer.

Question 2

Whether or not we can rule out chance as an explanation for the relationship observed in a sample depends on what two things?


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Mholman93

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

AN OBSERVED RELATIONSHIP IS MUCH MORE BELIEVABLE IF IT IS BASED ON A MUCH LARGER SAMPLE SIZE. SAMPLE RESULTS FROM LARGER SAMPLES ARE LESS LIKELY TO VARY FROM SAMPLE TO SAMPLE AND ARE MORE LIKELY TO REPRESENT THE TRUTH ABOUT THE POPULATION.

Answer to Question 2

1) THE STRENGTH OF THE RELATIONSHIP OBSERVED IN THE SAMPLE; AND 2) HOW MANY PEOPLE WERE INVOLVED IN THE STUDY.


Mr3Hunna

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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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