What are the Odds of developing COPD (Chronic Obstructive Pulmonary Disorder) if you live in the...

What are the Odds of developing COPD (Chronic Obstructive Pulmonary Disorder) if you live in the city? The data are as follows:

	COPD?
Living in the City	Yes	No	Totals
Yes	658	2354	3012
No	299	2567	2866
Totals	957	4921	5878

Based on this information,

Determine the unadjusted Odds ratio (2)
Determine whether this is a significant result at 95% confidence.

i) Determine the Confidence Interval on the Natural Log scale. (1)

ii) Determine the Confidence Interval on the Original Scale. (1)

iii) What is your Decision? (1)

Now look at this question from a contingency table perspective. Test the claim at 95% that there is a relationship between living in the city and developing COPD.

State the Null and Alternative hypotheses (1)
State the Decision Rule (1)
Determine the test statistic (note… That when you do this, the numbers are “not nice numbers”.) (2)
What is your decision? (1)
What is your overall interpretation for this question? (looking for at least two statements) (2)

Expert Solution

orchestra answered 2 years ago

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