Mathematics, 21.12.2019 06:31, cluchmasters3831
Suppose that an automobile manufacturer designed a radically new lightweight engine and wants to recommend the grade of gasoline that will have the best fuel economy. the four grades are: regular, below regular, premium, and super premium. the test car made three trial runs on the test track using each of the four grades and the miles per gallon recorded. at the 0.05 level, what is the critical value of f used to test the hypothesis that the miles per gallon for each fuel is the same. show your work.
miles per gallon
regular: below regular premium super premium
$39.31 36.69 38.99 40.04
39.87 40.00 40.02 39.89
39.87 41.01 39.99 39.93
a.) 3.49
b.) 4.07
c.) 2.33
d.) 3.86
e.) 3.26
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Suppose that an automobile manufacturer designed a radically new lightweight engine and wants to rec...
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