(Chapter 12) 42. Martin Motors has in stock three automobiles of the same make and model. The chairwoman would like to compare the gas consumption of the three autos (labeled railroad railroad car A, car B, and car C) using four different types of gasoline. For for apiece one trial, a gallon of gasoline was added to an empty tank, and the car was set until it ran out of gas. The following table shows the number of miles determined in each trial. Distance (miles) Types of Gasoline elevator car A car B Car C rhythmical 22.4 20.8 21.5 Super regular 17.0 19.4 20.7 nonleaded 19.2 20.2 21.2 Premium unleaded 20.3 18.620.4 I used a two-part analysis of variance to analyze the data. The output is as follows: ANOVA: Two-Factor Without replica SUMMARY Count Sum average Variance Regular 3 64.7 21.56666667 0.64333 Super Regular 3 57.1 19.03333333 3.52333 Unleaded 3 60.6 20.2 1 Premium Unleaded 3 59.3 19.76666667 1.02333 Car A: 4 78.9 19.725 5.0625 Car B: 4 79 19.
75 ! 0.916666667 Car C: 4 83.8 20.95 0.243333333 ANOVA Source of Variation SS df MS F P-value F crit Rows: 10.20916667 3 3.403055556 2.413990148 0.164988317 4.757062664 Columns: 3.921666667 2 1.960833333 1.390935961 0.318927857 5.14325285 Error 8.458333333 6 1.409722222 Total: 22.58916667 11 exploitation the .05 level of...If you want to cop a full essay, instal it on our website:
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