Question: QUESTION 12 In Jefferson county, the mean water usage per household for the month of January 2018 was .060 acre-feet (an acre-foot is the amount

 QUESTION 12 In Jefferson county, the mean water usage per household

QUESTION 12 In Jefferson county, the mean water usage per household for the month of January 2018 was .060 acre-feet (an acre-foot is the amount of water necessary to cover one acre to a depth of one foot.) This figure is based on the usage of all households in the county during that month. In January 2019, a random sample of 50 homes was selected, and water usage was recorded for each home in the sample. The mean water usage per household in the sample was .054 acre-feet with a standard deviation (s) of .016 acre-feet. The county would like to know whether the data support the claim that mean January water usage has declined. Conduct an appropriate statistical hypothesis test using a 0.01 significance level. Find the associated the P-value to four decimal places

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