Price Wars Many seniors are orderingtheir drugs online to
Chapter 10, Problem 92(choose chapter or problem)
Price Wars Many seniors are orderingtheir drugs online to take advantage of lowercosts for these pharmacies. A random sample of nineonline pharmacies was selected and the cost of a 10-mg Buspar (Buspirone) tablet recorded, as given in thefollowing table.17Pharmacy Brand ($) Generic ($)CanadaDrugStop.com 1.33 .79CanadaDrugCenter 1.33 .79Big Mountain Drugs 1.16 .74Blue Sky Drugs 1.17 .75CanadaDrugsPharmacy 1.33 .79Canada Drugs Online 1.11 .75PharmStore.com 1.13 .59Buy Low Drugs 1.45 .45Planetdrugsdirect.com 1.14 .59a. Test the hypothesis of no difference in costs betweenbrand and generic Buspar 10-mg tablets atthe a .05 level of significance. (HINT: the observationsare paired by the online pharmacies.)b. Find the estimated savings per tablet by purchasingthe generic as opposed to the brand-name tabletswith a 95% confidence interval.
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