Assume that trees are subjected to different levels of carbon dioxide atmosphere with 4% of the trees in a minimal growth condition at 370 parts per million (ppm), 11% at 440 ppm (slow growth), 47% at 560 ppm (moderate growth), and 38% at 630 ppm (rapid growth). What is the mean and standard deviation of the carbon dioxide atmosphere (in ppm) for these trees? The mean is i ppm. [Round your answer to one decimal place (e.g. 98.7).] The standard deviation is i ppm. [Round your answer to two decimal places (e.g. 98.76).]

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Assume that trees are subjected to different levels of carbon dioxide atmosphere with 4% of the trees in a minimal growth condition at
370 parts per million (ppm), 11% at 440 ppm (slow growth), 47% at 560 ppm (moderate growth), and 38% at 630 ppm (rapid growth).
What is the mean and standard deviation of the carbon dioxide atmosphere (in ppm) for these trees?
The mean is i
ppm. [Round your answer to one decimal place (e.g. 98.7).]
The standard deviation is i
ppm. [Round your answer to two decimal places (e.g. 98.76).]
Statistical Tables and Charts
Transcribed Image Text:Assume that trees are subjected to different levels of carbon dioxide atmosphere with 4% of the trees in a minimal growth condition at 370 parts per million (ppm), 11% at 440 ppm (slow growth), 47% at 560 ppm (moderate growth), and 38% at 630 ppm (rapid growth). What is the mean and standard deviation of the carbon dioxide atmosphere (in ppm) for these trees? The mean is i ppm. [Round your answer to one decimal place (e.g. 98.7).] The standard deviation is i ppm. [Round your answer to two decimal places (e.g. 98.76).] Statistical Tables and Charts
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