Chi square analysis on occurrences of a rare disease

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Reference no: EM13891669

Chi square analysis on occurrences of a rare disease in an rural area of 1000 people vs. national averages for this rare disease. Data is based on different age groups:

National Avg.

Age Ranges	% with disease
0 <age </= 20	2%
20<age</=40	5%
40<age</=60	15%
age >60	20%

Rural

Age Ranges	% with disease
0<age</=20	30
20< age </= 40	200
40<age</=60	220
age >60	185

Looking at national data, what is expected value of rural with disease?

Is disease incidence significantly different than national?

What are standardized residuals?

Interpret results.

Reference no: EM13891669

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