Trees are subjected to different levels of carbon dioxide atmosphere with 6% of the trees in a

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Trees are subjected to different levels of carbon dioxide atmosphere with 6% of the trees in a minimal growth condition at 350 ppm, 10% at 450 ppm, 47% at 550 ppm and 37% at 650ppm. What is the mean and standard deviation of the carbon dioxide atmosphere for these trees in ppm? Can I get some help with 3.50
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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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