The data in the following table give the miles per gallon obtained by a test automobile
Chapter 11, Problem 11.107(choose chapter or problem)
The data in the following table give the miles per gallon obtained by a test automobile when using gasolines of varying octane levels. Miles per Gallon (y) Octane (x) 13.0 89 13.2 93 13.0 87 13.6 90 13.3 89 13.8 95 14.1 100 14.0 98 a Calculate the value of r. b Do the data provide sufficient evidence to indicate that octane level and miles per gallon are dependent? Give the attained significance level, and indicate your conclusion if you wish to implement an = .05 level test.
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