Suppose the age distribution of the Canadian population and the age distribution of a random sample of 531 residents in the Indian community of Red Lake are shown below. Age (years) Under 5 5 to 14 15 to 64 65 and older Percent of Canadian Population 8.9% 11.9% 67.8% 11.4% Observed Number in Red Lake Village 49 41 389 52 Use to test the claim that the age distribution of the general Canadian population fits the age distribution of the residents of Red Lake Village. What are the degrees of freedom? A) 7 B) 3 C) 5 D) 4 E) None of these If the p-value approach to hypothesis testing is used, the decision is based on a) comparing the p-value to the critical value b) comparing the test statistic to the critical value c) comparing the p-value to the significance level d) comparing the test statistic to the significance level e) None of these