Age Incident CVDNo CVDTotal< 504555560050+61339400Total1068941000Is age independent of incident CVD? Preform a chi-squared test of independence. Remember to document the 5 steps used in hypothesis testing. Why is age a confounding factor in this example?

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Asked Nov 18, 2019
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 Age Incident CVD No CVD Total < 50 45 555 600 50+ 61 339 400 Total 106 894 1000

Is age independent of incident CVD? Preform a chi-squared test of independence. Remember to document the 5 steps used in hypothesis testing. Why is age a confounding factor in this example?

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Expert Answer

Step 1

Given data table in the this question is,

 Age Incident CVD No CVD Total < 50 45 555 600 50+ 61 339 400 Total 106 894 1000

Step 2

The hypothesis is as:

Step 3

Number of rows (r) = 2

Number of columns (c) = 2

Now, degre...

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