Need some help for a statistics project...
Thread Starter
Le Mans Master
Joined: Apr 2000
Posts: 7,218
Likes: 1
From: Cresskill NJ
Need some help for a statistics project...
I'm doing a statistics project which will be looking at the accuracy of the C5's computer at calculating fuel economy. I was wondering if you guys would be able to post what the computer reports the average fuel economy to be and what you have calculated your actual fuel economy to be.
Thanks in advance for your help,
Chris
Thanks in advance for your help,
Chris
Safety Car
Joined: Mar 2005
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From: The Surgeon General has warned that it's ok to smoke mustangs!
St. Jude Donor '06-'07
WOW... two posts and you're already done with the project! 
If thats the case, then we expect to see nothing less than a 100 on your project!
If thats the case, then we expect to see nothing less than a 100 on your project!
Thread Starter
Le Mans Master
Joined: Apr 2000
Posts: 7,218
Likes: 1
From: Cresskill NJ
I actually concluded that there are too many variables affecting the computer's estimation to be able to accurately determine precision for it, especially from different cars driven by different people. 
Le Mans Master
Joined: Dec 2001
Posts: 7,788
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From: Winchester TN
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St. Jude Donor '03-'04-'05-'06-'07-'11
Originally Posted by DngrZne
I actually concluded that there are too many variables affecting the computer's estimation to be able to accurately determine precision for it, especially from different cars driven by different people.
I actually find it to be very accurate over the long haul, it is the tank to tank mesures that are variable.
I have a spreadsheet for each corvette showing every fill and prices for each fill over the course of our ownership.
My spreadsheet average is within a fraction of a mile-per-gallon of the DIC average....
Since "miles left" is closely tied to each separate, individual tank of gasoline, and it largely depends on driving conditions and weight-of-foot at the time, it is widely variable and thus cannot be relied upon.
It is safer to just fuel-up when the reserve indicator comes on the DIC.
best regards -
mqqn
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Thread Starter
Le Mans Master
Joined: Apr 2000
Posts: 7,218
Likes: 1
From: Cresskill NJ
Exactly, the way the test would really have to be done is over a period of time with the same car, unmodified, with the same driver. Trying to use data from different cars, being driven by drivers with different driving habits, introduces too much variation into the data to build any meaningful model.
