Question

Keep cool: Following are prices, in dollars, of a random sample of ten 7.5-cubic-foot refrigerators. A consumer organization reports that the mean price of 7.5 cubic-foot refrigerators is less than $365. Do the data provide convincing evidence of this claim? Use the 0.05 level of significance and the P-value method with the T1-34 Plus calculator 343405355 305 311 361 377 324 346 332

Answer 1

Given n=10 343 Hoi.all-365 ५०5 us Hiouc 365 355 using Ti-83 305 Under Ho, Test statistic 346 t=-1.98 311 361 p-value = 0.0393 377 x = 0.05 324 I peralue LL, 332 I R ej ect Hog - The data provide signi li caut endance to support the claim that the men price od 7.5-cubic feet refrigerator's is less than $365

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