An irate student complained that the cost of textbooks was too high. He randomly surveyed 36 other
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An irate student complained that the cost of textbooks was too high. He randomly surveyed 36 other students and found that the mean amount of money spent for texts was $121.60. If the standard deviation of the population was $6.36, find the best point estimate and the 90% confidence interval of the true mean.
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Related Book For 
Elementary Statistics A Step By Step Approach
ISBN: 9780077665807
9th Edition
Authors: Allan G. Bluman
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