PROBLEM 1: (Use Hypothesis Testing to Answer the problem) In a report by Sanchez (2020), during 2016 the average household electric consumption per capita in our country is 178.5 kilowatt-hours. If a random sample of 18 households included in a planned study indicated that their consumption is 204.2 kilowatt-hours with a standard deviation of 3.1 kilowatt hours, test the claim of Sanchez in his report at 0.05 level of significance.

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