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Mathematics, 24.04.2020 22:14 kledi72

The following measurements (in picocuries per liter) were recorded by a set of helium gas detectors installed in a manufacturing facility: 851.3,857.2,908.1,862.9 Using these measurements, construct a 95% confidence interval for the mean level of helium gas present in the facility. 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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The following measurements (in picocuries per liter) were recorded by a set of helium gas detectors...

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