Question: A pharmaceutical firm studying the selection of name brand versus
A pharmaceutical firm, studying the selection of “name brand” versus “generic equivalent” on prescription forms, has been given a sample of 150 recent prescriptions submitted to a local pharmacy. Of the 44 under-40 patients in the sample, 16 submitted a prescription form with the “generic equivalent” box checked. Of the 52 patients in the 40–60 age group, 28 submitted a prescription form specifying “generic equivalent,” and for the 54 patients in the 61-or-over age group, 32 submitted a prescription form specifying “generic equivalent.” At the 0.025 level, is age group independent of name-brand/generic specification? Based on the chi-square table, what is the most accurate statement that can be made about the p-value for the test?
Relevant QuestionsCustomers of the Sky Mountain Grocery chain are routinely asked at the checkout whether they prefer paper or plastic bags for their purchases. In a recent study, researchers observed the type of bag specified and surveyed ...For the following data obtained from three independent samples, use the 0.05 level in testing H0: π1 = π2 = π3 versus H1: “At least one population proportion differs from the others.” n1 = 100, p1 = 0.20 n2 = 120, p2 ...The movie complex at a shopping mall shows three movies simultaneously on the same evening. On a recent Friday evening, each movie drew a capacity crowd. A sample of the evening’s movie patrons have been coded according to ...A random sample of n 5 30 is drawn from a population that is normally distributed, and the sample variance is s2 = 41.5. Use α = 0.05 in testing H0: σ2 = 29.0 versus H1: σ2 ≠ 29.0. The following data are the number of persons who were waiting in line at a checkout counter at 100 randomly selected times during the week. At the 0.05 level, test whether the population of these values could be Poisson ...
Post your question