03-19-2012, 12:04 PM
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#14 (permalink)
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Base Member
Join Date: Aug 2011
Location: DFW TX
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Quote:
Originally Posted by Jordo!
Hmm. If true, that makes me wonder whether or not there is more variance in actual octane per company.
The advertised octane is an average... could be there is more variance for some companies, meaning a greater likelihood you'll get a slightly lower (or higher) octane fuel.
The skeptic in me wants to ignore this, but the statistician in me realizes that mean values (and the associated distribution of scores) are harder to interpret without knowing the SD.
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I would really think so, the skeptic in me will be buying Kroger/Shell from now on.
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Quote:
Originally Posted by Jeffblue
Are you implying that there is some sort of functionality for a mirror cover?
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