|Finding F1: Customer water cost factors
A statistical correlation study of 5 years
of data (2012-2016) for a typical
residential account showed that water consumption was about 16 times more significant to customer cost than
0.966, cost/consumption correlation: Very strongly related.
0.238, cost/rates correlation: Weakly related.
Coefficients of determination:
-- 93.3% of cost due to consumption
-- 5.7% of cost due to water rates.
-- 1.0% of cost due to other factors.
The Data, Graphed
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