Now we're getting somewhere, as we enter the realm of "even more statistically insignificant." Good term, Armand.

Tony Thompson

On Sep 2, 2013, at 4:00 AM, "Armand Premo" <armprem2@surfglobal.net> wrote:

Gentlemen,Remember this data is from just one train.There are some other very surprising anomalies that would be even more statistically insignificant.Enough to generate a touch of realism for those Doubting Thomas's.Armand Premo
----- Original Message -----
From: Tim O'Connor
To: STMFC@yahoogroups.com
Sent: Monday, September 02, 2013 12:33 AM
Subject: [STMFC] Re: New InterMountain C&O hopper

Ben, it would be nice to know the DEC/JAN/FEB data -- coal
in small volumes is most likely to be consumed for heating
in the winter, and the only N&W cars listed here are in March
and October, which are colder months in Vermont -- but not the
coldest months! :-)

I assume this is all hopper car data we're looking at? If so,
what could have caused that burst of hopper cars in July?

Tim O'

Here's some more data pulled from shifting lists from Armand' collection for 1950:

Month/ # of days/ # of cars/ # of N&W hoppers

Mar 1950 7/ 62/ 1 (N&W 80753)
May 1950 1/ 3/ 0
June 1950 3/ 18/ 0
July 1950 22/ 143/ 0
Sept 1950 3/ 10/ 0
Oct 1950 18/ 181/ 2 (N&W 4867, 70839)
Nov 1950 28/ 244/ 0

Admittedly, a limited sample size (it's like looking through a straw); however, 3 cars
out of 661 is decimal dust.

Ben Hom

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