Estimate with 95% confidence the mean numbers of earners (EARNRS) in the household in 2012.
Answer to relevant QuestionsCan we infer that the mean number of hours worked (HRS1) among those working full or part time is greater than 40?Is there sufficient evidence to conclude that American families with children have on average less than two children (CHILDS)?Estimate with 99% confidence the average number of earners per household (EARNRS).The weights of a random sample of cereal boxes that are supposed to weigh 1 pound are listed here. Estimate the variance of the entire population of cereal box weights with 90%confidence.a. In a random sample of 200 observations, we found the proportion of successes to be 48%. Estimate with 95% confidence the population proportion of successes.b. Repeat part (a) with n = 500.c. Repeat part (a) with n = ...
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