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Mathematics, 23.10.2019 21:00 catsRlife3451

Asurvey of several 10 to 13 year olds recorded the following amounts spent on a trip to the mall: $28.64,$24.42,$19.35,$22.14construc t the 95% confidence interval for the average amount spent by 10 to 13 year olds on a trip to the mall. assume the population is approximately normal. step 1 of 4 : calculate the sample mean for the given sample data. round your answer to two decimal places.

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Asurvey of several 10 to 13 year olds recorded the following amounts spent on a trip to the mall: $2...

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