Mathematics, 28.08.2020 16:01 paulusl19

The average natural gas bill for a random sample of 26 homes in the 19808 zip code during the month of March was $305.30 with a sample standard deviation of $46.50. The critical value for a 95% confidence interval around this sample mean is .

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The average natural gas bill for a random sample of 26 homes in the 19808 zip code during the month...