Refer to the data on percent malt extract in Table D.8 of the Data Bank. A computer
Question:
(a) Will the 98% confidence interval for mean malt extract be smaller or larger than the one in the printout? Verify your answer by determining the 98% confidence interval.
(b) Use the value for Z to test the null hypothesis H0: μ = 77.0 versus the one-sided alternative H1: μ > 77.0 with α = .05 level.
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Related Book For
Statistics Principles And Methods
ISBN: 9780470904114
7th Edition
Authors: Richard A. Johnson, Gouri K. Bhattacharyya
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