Lies, damn lies, and statistics (British Gas)
But when I see crap like this I do not really know what to say.
One thing you really should avoid doing is using a false origin when showing something graphcially.
There are circumstances where the absolute level is unimportant and the relative scale over many things can be shown on a false origin, maybe, but not this case.
This is a simple "how does your gas use compare to last year", and shows last year and this year in some graphical way.
I looked and thought:
"shit, we are using twice as much gas this year, WTF!".
Then I realised the coloured bars were meaningless. In fact we have used 0.84% more gas. Drawn on a true origin, that would have been obvious, and no surprise.
Why even have the coloured bars?
The electric summary is just as bad - looks like we have halved our electric usage when in fact it is down only 12% (though that is not bad).
Sadly both of these are based on estimated readings, so pretty worthless, and rather pointless sending me the summary (in two separate envelopes).
at May 14, 2014
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