QUiZI M9-Ch14 Quiz Question 8 This Quiz: 10 pts possible f3 Submit Quiz After seeing commercials claiming one can get cheaper car insurance online, a local insurance agent was concerned that he might lose customers. To investigate, he randomly selected proles (type of car, coverage, driving record, etc.) for 10 of his clients and checked online price quotes for their policies. The comparisons are shown in the accompanying table. Also, his statistical software produced the given summaries. At rst, the insurance agent wondered whether there was some kind of mistake in this output. He thought the Pythagorean Theorem of Statistics should work for nding the standard deviation of the price differencesin other words, that SD(Local Online) = his mistake is. E Click the icon to view the data table. Data Table 0 Click the icon to view the software output. not 175.663 as given by the software. Tell him where Local Online PriceDiff 568 391 177 Adding V requires that the variables be 872 602 270 surance premiums by the local company will be likely 451 488 37 1229 903 326 605 677 72 1021 1270 249 783 703 80 844 789 55 907 1008 101 712 702 10 to get a rate from the online company. PriceDiff = Local - Online StatCrunch Tech Help (9 Time Remaining: 01:26:10 m 4 = Quiz: M9-Ch14 Quiz Question 8 This Quiz: 10 pts possible Submit Quiz After seeing commercials claiming one can get cheaper car insurance online, a local insurance agent was concerned that he might lose customers. To investigate, he randomly selected profiles (type of car, coverage, driving record, etc.) for 10 of his clients and checked online price quotes for their policies. The comparisons are shown in the accompanying table. Also, his statistical software produced the given summaries. At first, the insurance agent wondered whether there was some kind of mistake in this output. He thought the Pythagorean Theorem of Statistics should work for finding the standard deviation of the price differences-in other words, that SD(Local - Online) = SD"(Local) + SD"(Online) . But when he checked, he found that (229.281) + (256.267) = 343.864, not 175.663 as given by the software. Tell him where his mistake is. Click the icon to view the data table. i Click the icon to view the software output. Adding requires that the variables be These price quotes are for the same cars, so they are Drivers quoted high insurance premiums by the local company will be likely Paired to get a rate from the online company. Dependent independent independent Median Low Means Moderate Differences high variances StatCrunch Tech Help Time Remaining: 01:26:17 Next
