Toyota USA is studying the effect of regular versus high-octane gasoline on the fuel economy of its new high-performance, 3.5-liter, V6 engine. Ten executives are selected and asked to maintain records on the number of miles traveled per gallon of gas. The results are: Miles per Gallon Miles per Gallon Executive Regular High-Octane Executive Regular High-Octane Bowers 25 28 Rau 38 40 Demars 33 31 Greolke 29 29 Grasser 31 35 Burns 42 37 DeToto 45 44 Snow 41 44 Kleg 42 47 Lawless 30 44 b. State the decision rule. Use the 0.05 significance level. c. Compute the T value.

Toyota USA is studying the effect of regular versus high-octane gasoline on the fuel economy of its new high-performance, 3.5-liter, V6 engine. Ten executives are selected and asked to maintain records on the number of miles traveled per gallon of gas. The results are: Miles per Gallon Miles per Gallon Executive Regular High-Octane Executive Regular High-Octane Bowers 25 28 Rau 38 40 Demars 33 31 Greolke 29 29 Grasser 31 35 Burns 42 37 DeToto 45 44 Snow 41 44 Kleg 42 47 Lawless 30 44 b. State the decision rule. Use the 0.05 significance level. c. Compute the T value.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.6: Summarizing Categorical Data

Problem 25PPS

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	Miles per Gallon		Miles per Gallon
Executive	Regular	High-Octane	Executive	Regular	High-Octane
Bowers	25	28	Rau	38	40
Demars	33	31	Greolke	29	29
Grasser	31	35	Burns	42	37
DeToto	45	44	Snow	41	44
Kleg	42	47	Lawless	30	44