21. Red Pine The main stem growth measured for a sample of seventeen 4-year-old red pine trees...

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21. Red Pine The main stem growth measured for a sample of seventeen 4-year-old red pine trees produced a mean and standard deviation equal to 28.7 and 8.6 centimeters, respectively. Find a 90% confidence interval for the mean growth of a population of 4-yearold red pine trees subjected to similar environmental conditions.

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Introduction To Probability And Statistics

ISBN: 9780357114469

15th Edition

Authors: William Mendenhall Iii , Robert Beaver , Barbara Beaver

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