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The following output summarizes the results for a one-way analysis of variance experiment in which the treatments were three different hybrid cars and the variable
The following output summarizes the results for a one-way analysis of variance experiment in which the treatments were three different hybrid cars and the variable measured was the miles per gallon (mpg) obtained while driving the same route. (You may nd it useful to reference the g table.) Hybrid 1: 5:1 = 39, n1 = 28 Hybrid 2: in = 42, n: = 15 Hybrid 3: i3 = 29, n3 = 18 Source 0": Variation SS df MS F p-value Between Groups 1,832.24 2 516.12 18.34- 8.8899 within Gr'oups 1,497.66 56 28.14 Total 2,439.36 52 a. At the 5% significance level, can we conclude that average mpg differs between the hybrids? Population Mean Can we conclude that the Confidence Interval Differences hybrids' means differ? M1 - H2 -16.38 7.62 Yes H1 - H3 -3.17 5.17 No H2 - H3 8.52 17.48 Yes
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