Parking Meter Revenue A one-sided confidence interval can be found for a
where tα is the value found under the row labeled One tail. Find two one-sided 95% confidence intervals of the population mean for the data shown, and interpret the answers. The data represent the daily revenues in dollars from 20 parking meters in a small municipality.
2.60 1.05 2.45 2.90
1.30 3.10 2.35 2.00
2.40 2.35 2.40 1.95
2.80 2.50 2.10 1.75
1.00 2.75 1.80 1.95
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Elementary Statistics: A Step By Step Approach
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