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From: Andy Little (andy_at_[hidden])
Date: 2005-10-11 03:44:03

"Matt Calabrese" <rivorus_at_[hidden]> wrote

> Taking it to a more abstract level, would it ever make sense to add two
> temperatures together? For instance, we subtracted 8 degrees from 10 degrees
> to get the change in temperature of the day. However, what meaning would we
> get out of adding the temperature at the beginning of the day to the
> temperature at the end of the day? In general such an operation does not
> make any sense.

Actually this is not quite correct. if t1 ... t6 are temperatures then e.g.:

(t1 + t2 + t3 + t4 + t5 + t6 ) / 6 is perfectly legal.

Andy Little

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