Exercise described a survey of adults wherein on the basis
Exercise described a survey of adults wherein, on the basis of several probing questions, each was classified as either a member of the health conscious group (code = 1) or not (code = 2) and whether he or she buys Special X (1 = No, 2 = Yes). Additionally, his or her educational attainment (1= Did not finish high school, 2 = Finished high school, 3 = Finished college or university, 4 = Postgraduate degree) was recorded.
a. Do the data allow the surveyor to conclude that their differences in educational attainment between those who do and those who do not belong to the health conscious group?
b. Can we infer that there is a relationship between the four educational groups and whether or not a person buys Special X?

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