On Aug 3, 2010, at 5:01 PM, <mcneely4@cox.net> <mcneely4@cox.net> wrote:

> Tom, there weren't enough data in my original report for you to know
> whether I made math errors or not.

Dave, I was teasing you!
W/ Mr. Squirrel gone, we need someone to worry about the small stuff?

YMMV,

Tom-glad you had a great trip

>
> so far as digits, one beyond the original place holder is the usual
> when calculating mean values.  so, for U.S. currency, the norm would
> be, for averaging, $0.000.  But it really isn't important.  The fact
> that retail gasoline pumps report a thousandth of a gallon seems
> bizarre to me, but they do.  I don't believe they are that accurate.
>
> ---- Tom Buese <tombuese@comcast.net> wrote:
>> Yeah, we were wondering whether you were going to catch those math
>> errors!
>>
>> LOL!
>>
>> YMMV,
>>
>> Mr. BZ-I only round cents to the nearest 2 digits & mileage to the
>> nearest single digit & still feel secure
>>
>>
>> On Aug 3, 2010, at 4:29 PM, Dave Mcneely wrote:
>>
>>> ---- Dave Mcneely <mcneely4@COX.NET> wrote:
>>>> I just returned to Edmond, OK from a drive to Spokane, Washington
>>>> and Glacier National Park in my 1991 Volkswagen Vanagon GL
>>>> Campmobile .  It has a waterboxer rebuild (110K miles at time of
>>>> installation) and now has 155K miles.
>>>>
>>>> I averaged 18.76 mpg (much worse coming than going, around 18 mpg
>>>> coming home, over 20 going, also around 18 in driving around
>>>> Spokane, northern Idaho, and Glacier NP).  Best leg, from Raton,
>>>> NM, to Castle Rock, CO, 254 miles, just over 22 mpg.  Worst leg,
>>>> from Grass Range, MT to Ranchester, WY, 204 miles, barely over 17
>>>> mpg.  Wind made a really large difference.  Total miles for the
>>>> trip = 5807.  Prices for gas ranged from $2.559 per gallon at a
>>>> Flying J in Caspar, WY to $3.039 at a Cenex in West Glacier, MT.
>>>> Average price paid = $2.8378 per gallon.
>>>
>>> I made a series of calculation errors in the above figures.  The
>>> actual numbers (recalculated several times to be sure) look a little
>>> better.  The overall mileage was 19.10 mpg rather than 18.76 (still
>>> less than the 20.56 on a similar trip last year), and the average
>>> price per gallon using total dollars and total gallons (rather than
>>> averaging the prices) was $2.767 rather than $2.8378.  Sorry for the
>>> errors.  The total mileage exceeds by about 1000 miles what it would
>>> be if we had not done a bit of driving around Spokane, and some
>>> exploring in northern Idaho that we did not do last year (when we
>>> went south into Nevada and visited Great Basin NP rather than
>>> Glacier).
>>
>
> --
> David McNeely