Unless I'm missing something, the chart was interpreted in reverse of results.
There was 62 mpg from average to maximum, and 52 mpg from average to minimum.
Therefore the mpg was 10 mpg higher when the tank was near full than near empty.
Quote:
Originally Posted by PaleMelanesian
Q3 is the 75th percentile, or halfway from average to max.
Q1 is the 25th, or halfway from average to min.
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