6. A government agency wants to test an oil company's advertising claim according to which cars will run same miles on a tankful of its regular gas as on a tankful of a competitor's (more expensive...

6. A government agency wants to test an oil company's<br>advertising claim according to which cars will run same<br>miles on a tankful of its regular gas as on a tankful of a<br>competitor's (more expensive and allegedly superior)<br>gasohol. Twenty identical cars are randomly selected. Half<br>are filled with gasoline and half with gasohol. The resulting<br>mileages appear in following Table. Make a Wilcoxn<br>Rank-sum test at the 5 percent level of significance.<br>TABLE: Miles Driven before Fuel Exhaustion<br>On Gasoline (A) On Gasohol (B)<br>350<br>352<br>372<br>375<br>348<br>351<br>371<br>375<br>381<br>391<br>392<br>390<br>353<br>360<br>388<br>393<br>388<br>394<br>373<br>379<br>

Extracted text: 6. A government agency wants to test an oil company's advertising claim according to which cars will run same miles on a tankful of its regular gas as on a tankful of a competitor's (more expensive and allegedly superior) gasohol. Twenty identical cars are randomly selected. Half are filled with gasoline and half with gasohol. The resulting mileages appear in following Table. Make a Wilcoxn Rank-sum test at the 5 percent level of significance. TABLE: Miles Driven before Fuel Exhaustion On Gasoline (A) On Gasohol (B) 350 352 372 375 348 351 371 375 381 391 392 390 353 360 388 393 388 394 373 379

Jun 10, 2022

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6. A government agency wants to test an oil company's advertising claim according to which cars will run same miles on a tankful of its regular gas as on a tankful of a competitor's (more expensive...

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