502CHAPTER 13Driver in followingcar was maleLead car driverused cell phoneLead car driver didnot use

502CHAPTER 13Driver in followingcar was maleLead car driverused cell phoneLead car driver didnot use cell phoneHonked horn 35 34Did not honk horn 103 170Can we conclude that male drivers are more likely to honkwhen the lead car driver is using a cell phone?13.147Expensive Car ExperimentLead car was expen-sive (over$50,000)Lead car was notexpensiveHonked horn 33 49Did not honk horn122 118Do these figures allow us to conclude that drivers behindexpensive cars are less likely to honk?13.148Gender Experiment 1Lead car driver was femaleLead car driver was maleHonked horn 64 47Did not honk horn 123 136Is there sufficient evidence to infer that drivers behind amale driver are more likely to honk?13.149Gender Experiment 2Following cardriver was femaleFollowing cardriver was maleHonked horn 68 105Did not honk horn 143 135Can we conclude from these statistics that women are lesslikely to honk?13.150Convertible ExperimentFollowing car was a convertibleFollowing car wasnot a convertibleHonked horn 21 86Did not honk horn 92 210Is there enough evidence to draw the inference that driversof convertibles are less likely to honk?The following exercises require the use of a computer and soft-ware. The answers to Exercises 13.151–13.162 may be calculatedmanually. See Appendix A for the sample statistics.Use a5%significance level, unless specified otherwise.13.151Xr13-151 Automobile magazines often comparemodels and rate them in various ways. One questionthat is often asked of car owners, Would you buy thesame model again? Suppose that a researcher for onemagazine asked a random sample of Lexus ownersand a random sample of Acura owners whether theyplan to buy another Lexus/Acura the next time theyshop for a new car. The responses (1= No, 2= Yes)were recorded. Do these data allow the researcherto infer that the two populations of car owners dif-fer in their satisfaction levels?13.152Xr13-152