CARTER Ratio

CARTER Ratio

CARTER Ratio (CAR Time Efficiency Ratio)

An 'annually variable' constant in the Australian F1 in Schools Time Trial Scoring Formula: Team Score = (55pts/(CARTER–Fastest Time))x(CARTER–Team’s Time)

This formula is used to calculate the points a team is awarded in the Time Trial races section of any State or National Final of the Australian F1 In Schools Technology Challenge.

The current years CARTER Ratio is calculated based on the Time Trial race results from the previous years Australian F1inSchools [http://www.f1inschools.co.uk/about.asp] Technology Challenge events.

The formula results in the team with fastest time trail time being awarded the maximum mark of 55 points. The slowest time is awarded 0 points (Zero points)using this formula. The CARTER Ratio influences the 'spread' of marks between fastest and slowest. It ensures that a team achieving a very competitive race time, say only a few thousands of a second behind the fastest, scores points that reflect their cars performance. Teams are rewarded for the speed of their car compared to the fastest time set, as opposed to scoring points based on their rank.

The following table is an example of how points would distributed against a sample set of time trial results [http://www.rea.org.au/news/07_national_final_gallery.html 2007 National Final Images] :

"CARTER Ratio = 1.454 seconds"

In practice, this formula is used in conjunction with an additional logic expression that resolves the minimum possible score awarded as 20 points.

The term, "CARTER Ratio" should be written CARTE Ratio, but as it is common place to say "ATM MAchine" or "PIN Number" then CARTER Ratio could be considered to be grammatically OK.

Carter is also the surname of 'not for profit' company Re-Engineering Australia Forum's ( [http://www.rea.org.au REA] ) CFO. REA runs the F1inSchools Technology Challenge in Australia and New Zealand. REA plays a strategic role in the coordination of the F1 in Schools program globally. REA CFO, David CARTER, was quoted as saying he had "broken" 7th Grade Math when scrutinising the F1 in Schools Time Trail Score Formula.

References


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