wwdropped 24 %et onto aconcrete surfaon, and they bounced an average of 92 89 in

Question

wwdropped 24 %et onto aconcrete surfaon, and they bounced an average of 92 89 inches. In a test of a sample of 19 new buails, the bounce heights had a moan of 92 59 inches and a standard 9289irehealnatost of a that the new bals have bounce heights with a mean diferent from 9289 inches Does it appear that the new basebails are Find the test statistic t(Round to the nearest thousandth as needed Now mako a conclusion Choose the como, ar O B. There is not Does it appear that the new baseballe are difflerent O Yes No 1 2

Explanation / Answer

Solution:-
hypotheses: option B. H0: = 92.89,Ha: not= 92.89

=> t = (x-)/(s/sqrt(n))
= (92.59 - 92.89)/(1.8/sqrt(24))
= -0.8165

=> This is a two-tailed test and Critical value is +- 1.96

=> option B.

=> optiin A. Yes

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