Mathematics, 16.10.2020 06:01 dejabrewer01

3. A store manager reports that the mean grocery bill at her store on a Saturday is between $28.25 and $36.75. To do this, she considered a random sample of customers that Saturday.
What was the sample mean? (Remember that the sample mean is the center of the confidence
interval). What was the margin of error?

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3. A store manager reports that the mean grocery bill at her store on a Saturday is between $28.25...