Question

ope Feur Qa A Sty Of The Pey Of Corparste Chial Euti oICegcm A Sudy Of The y Of Carpoate Chd O10 points Mintrotas 6E136 ive O Consumers can purchase nonprescription medications at food stores, mass merchandise stores such as Target and Wal-Mart, or pharmaecies, About 45% of consumers make such purchases at pharmades. What accounts for the popularty of pharmacles, which often charge higher prices? A study examined consumers' perceptions of overall performance of the three types of stores, using a long questionnalre that asked abou such things as "neat and attractive store, "knowledgeable staff," and "assistance in choosing among varlous types of nonprescription medication." A performance score was based on 27 such questions. The subjects were 204 people chosen at random from the Indianapolis telephone directory. Here are the means and standard devlations of the performance scores for the sample. Store type Food stores 18.38 24.96 Mass merchandisers 32.29 33.59 Pharmacies 48.54 35.29 We do not know the population standard deviations, but a sample standard deviation s from so large a sample is usualy close to o. Use s in place of the unknown a in this exercise (a) What population do you think the authors of the study want to draw conclusions about? O the American public O food stores O citizens of Indianapolis O sick people O pharmacies What population are you certain they can draw conclusions about O sick people O food stores O atizens of Indianapolis O pharmacies the American public

Answer 1

(a) the American public.
citizens of Indianapolis.

(c) Yes, the pharmacy interval is well above the others.

to.os;203 1.65 tonm (b) 0.10 nH iaewa food oh : 21,268 (28.404, 36. 176) MOAs mer chardize :90/eondan e iterwa S 2. 6 23) (44. 457 Phormacier itewc Others aeu abore p (e) Yn plamary publi'c Tnolionafalis the la) the Ameru eon ei tzens