Mathematics, 27.06.2019 00:50 stef76

In a survey, 22 people were asked how much they spent on their child's last birthday gift. the results were roughly bell-shaped with a mean of $32 and standard deviation of $17. construct a confidence interval at a 98% confidence level.

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In a survey, 22 people were asked how much they spent on their child's last birthday gift. the resul...

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