The graph of efficiency history is wrong. I teach 4-8th grade math and my students could pick the ERROR!
The SIMPLE average of a series of averages is NOT the same as the overall average. The correct answer is a WEIGHTED average.
Here is the explanation:
Say for each of the 5 mile ranges I...
On this screen (see picture attached) the distance traveled has been 'frozen' at 1272.6 miles for 400+ miles.
I have attached pictures of the screen with obviously erroneous data.
I have attached the speedometer screen too ... the trip meter shows that the data on the above is inconsistent...
