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A survey of several 10 to 11 year olds recorded the following amounts spent on a...

A survey of several 10 to 11 year olds recorded the following amounts spent on a trip to the mall:

$25.36,$29.05,$22.78,$24.07

Construct the 95% confidence interval for the average amount spent by 10 to 11 year olds on a trip to the mall. Assume the population is approximately normal.

Math   Statistics-And-Probability   
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