Suppose you would like to estimate the mean amount of money (u) spent on books by...
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Suppose you would like to estimate the mean amount of money (u) spent on books by CSIS students in a semester. You have the following data from 18 randomly selected CSIS students: X $252 and s = $36. Assume that the amount spent on books by CSIS students is normally distributed. a) (20 points) Compute a 95% confidence interval b) (20 points) Is there evidence at a 5% level of significance that the mean amount of money spent on books by CSIS students in a semester is greater than $254? Suppose you would like to estimate the mean amount of money (u) spent on books by CSIS students in a semester. You have the following data from 18 randomly selected CSIS students: X $252 and s = $36. Assume that the amount spent on books by CSIS students is normally distributed. a) (20 points) Compute a 95% confidence interval b) (20 points) Is there evidence at a 5% level of significance that the mean amount of money spent on books by CSIS students in a semester is greater than $254?
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Related Book For
College Physics
ISBN: 978-0495113690
7th Edition
Authors: Raymond A. Serway, Jerry S. Faughn, Chris Vuille, Charles A. Bennett
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