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Unhealthy Days in Cities The number of unhealthy days based on the AQI (Air Quality Index) for a random sample of metropolitan areas is shown.

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Unhealthy Days in Cities The number of unhealthy days based on the AQI (Air Quality Index) for a random sample of metropolitan areas is shown. Round the sample statistics and final answers to at least one decimal place. 23 21 14 5 40 61 39 1 0 16 Send data to Excel Construct an 80% confidence interval based on the data. Assume the variable is normally distributed.

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