The federal government awarded grants to the agricultural departments of 9 universities to test the yield capabilities
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Find a 95% confidence interval for the mean difference between the yields of the two varieties, assuming the differences of yields to be approximately normally distributed. Explain why pairing is necessary in this problem.
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University Variety 3 4 38 23 35 41 44 29 37 31 38 45 25 31 38 50 33 36 40 43
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Related Book For
Essentials Of Probability And Statistics For Engineers And Scientists
ISBN: 9780321783738
1st Edition
Authors: Ronald E. Walpole, Raymond Myers, Sharon L. Myers, Keying E. Ye
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