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Mathematics, 19.01.2021 04:50, sophie5064
A survey of several 10 to 12 year olds recorded the following amounts spent on a trip to the mall: $23.30,$22.29,$21.23,$21.86,$21.57 Construct the 80% confidence interval for the average amount spent by 10 to 12 year olds on a trip to the mall. Assume the population is approximately normal.
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A survey of several 10 to 12 year olds recorded the following amounts spent on a trip to the mall: $...
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