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In a survey, 14 people were asked how much they spent on their child's last birthday gift. The results were roughly bellshaped with a mean

In a survey, 14 people were asked how much they spent on their child's last birthday gift. The results were roughly bellshaped with a mean of $46.1 and standard deviation of $2.1. Construct a confidence interval at a 30% confidence level. Express your answer in the format of i :|: Error

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