The following data from the U.S. Department of Energy Web site (www.eia.doe.gov) reported the total U.S. renewable

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The following data from the U.S. Department of Energy Web site (www.eia.doe.gov) reported the total U.S. renewable energy consumption by year (trillion BTU) from 1973 to 2004.


Total Renewable Total Renewable Energy Consumption (Trillion BTU) Energy Consumption Year Year (Trillion BTU) 1973 4433.


(a) Using all the data, find calculate control limits for a control chart for individual measurements, construct the chart, and plot the data.

(b) Do the data appear to be generated from an in-control process? Comment on any patterns on the chart.

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Applied Statistics And Probability For Engineers

ISBN: 9781118539712

6th Edition

Authors: Douglas C. Montgomery, George C. Runger

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