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How Big Is the Tip Percentage at a Restaurant? Use technology and the RestaurantTips dataset to find a 95 % confidence interval for the mean

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How Big Is the Tip Percentage at a Restaurant? Use technology and the RestaurantTips dataset to find a 95 % confidence interval for the mean tip percentage (PctTip) at the restaurant. Click here for the dataset associated with this question. Round your answers to two decimal places. The 95% confidence interval is % to i %

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