In 1993, Toyota introduced the Supra sports car, which was ...

[mccallkeeler]

In 1993, Toyota introduced the Supra sports car, which was designed to have 320 horsepower in stock configuration. A computer chip modification for the fuel injection system was later introduced that was claimed to increase horsepower. To check whether the chip actually does increase horsepower, we sample six stock 1993 Supras and record each vehicle’s horsepower (the results appear below).

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Car number	1	2	3	4	5	6
Stock hp	315	321	325	318	320	321

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Next, technicians install the computer chip in each of the six vehicles’ electronic injection systems and then record the horsepower of each (the results appear below).

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Car number	1	2	3	4	5	6
Modified hp	320	320	328	325	323	323

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Does it appear that there is an average horsepower increaseassociated with the chip modification? Select the appropriate critical value (CV), test statistic (TS), and decision. (Useα= 0.05).

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CV = –2.0150; TS = –2.86; rejectH₀

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CV = 2.0150; TS = –2.86; fail to rejectH₀

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CV = –1.8125; TS = –1.72; fail to rejectH₀

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CV = –2.1318; TS = 2.29; rejectH₀

[bball_babe_123]

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[mccallkeeler]

Gracias!

[Sarahjh]

Thanks for the timely response, appreciate it