ID: A . Suppose the age distribution of the Canadian population and the age dist

Question

ID: A . Suppose the age distribution of the Canadian population and the age distribution of a random sample of 452 residents in the Indian community of Red Lake are shown below. Observed Number Age (years) Percent of Canadian Population in Red Lake Village Under 5 5 to 14 15 to 64 69.9% 65 and older 10.1% Use = 0.05 to test the claim that the age distribution of the general Canadian population fits the age distribution of the residents of Red Lake Village. Find (or estimate) the P-value of the sample test statistic. A) P-Value>0.50 B) 0.25

Explanation / Answer

here applying chi square test of goodness of fit on above:

for above degree of freedom =number of categories -1 =4=3

for 3 degree of freedom and above test stat p value =0.0179

therfore option E is correct.

observed Expected Chi square Type Probability O E=total*p =(O-E)^2/E under 5 0.075 50.000 33.90 7.65 5 to 14 0.125 45.000 56.50 2.34 15 to 64 0.699 313.000 315.95 0.03 65 and over 0.101 44.000 45.65 0.06 1 452 452 10.0743

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