Question: Background data: Bates installed low-flow shower heads in a few guest bathrooms as a trial, and he has so far monitored water usage from 40
Background data: Bates installed low-flow shower heads in a few guest bathrooms as a trial, and he has so far monitored water usage from 40 showers in these rooms. He entered the number of gallons consumed in each shower into Excel and computed the following descriptive statistics.

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