Solution-Is that enough evidence to conclude that residents

Is that enough evidence to conclude that residents of legacy

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Reference no: EM131113552

The American Water Works Association reports that the per capita water use in a single- family home is 69 gallons per day. Legacy Ranch is a relatively new housing development consisting of 100 homes.

The builders installed more efficient water fixtures, such as low- flush toilets, and subsequently conducted a survey of the residences. Thirty-six homes responded, and the sample mean water use per day was 64 gallons with a standard deviation of 8.8 gallons per day.

At the .10 level of significance, is that enough evidence to conclude that residents of Legacy Ranch use less water on average?

Reference no: EM131113552

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Is that enough evidence to conclude that residents of legacy

Reference no: EM131113552

Reference no: EM131113552

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