Do the data provide enough evidence to infer that the average American adult completed more than 12 years of education (EDUC)?
Answer to relevant QuestionsEstimate with 95% confidence the mean numbers of earners (EARNRS) in the household in 2012.Can we infer that the Americans have on average less than two children (CHILDS)?Estimate with 95% confidence the average American total family annual income (TFINCOME).a. Estimate σ2 with 90% confidence given that n = 15 and s2 = 12.b. Repeat part (a) with n = 30.c. What is the effect of increasing the sample size?Home blood-pressure monitors have been on the market for several years. This device allows people with high blood pressure to measure their own and determine whether additional medication is necessary. Concern has been ...
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