Question: In a particular community, it is claimed that the mean household water usage for a particular month is 0.060 acre-feet. The following year, a

In a particular community, it is claimed that the mean household water

In a particular community, it is claimed that the mean household water usage for a particular month is 0.060 acre-feet. The following year, a countrywide water conservation campaign was conducted. Fifty homes were selected and found that the mean consumption is 0.054 acre-feet with a standard deviation of 0.016. Is there enough evidence to accept the claim? Use @ = 0.01 1.1 1.2 1.3 1.4 1.5 1.6

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