Mathematics, 03.12.2021 14:00 desikayla2013

A research firm took a sample of 31 small businesses and found that on average, a new change in the tax code saved these firms $7300 per year. The sample had a standard deviation of $2700 . Construct the 95%
confidence interval for the annual savings.

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A research firm took a sample of 31 small businesses and found that on average, a new change in the tax code saved these firms $7300 per year. The sample had a standard deviation of $2700 . Construct the 95% confidence interval for the annual savings.

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Another question on Mathematics

A research firm took a sample of 31 small businesses and found that on average, a new change in the tax code saved these firms $7300 per year. The sample had a standard deviation of $2700 . Construct the 95%
confidence interval for the annual savings.