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The administrators for a hospital wished to estimate the

Mathematical Statistics with Applications | 7th Edition | ISBN: 9780495110811 | Authors: Dennis Wackerly; William Mendenhall; Richard L. Scheaffer ISBN: 9780495110811 47

Solution for problem 58E Chapter 8

Mathematical Statistics with Applications | 7th Edition

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Mathematical Statistics with Applications | 7th Edition | ISBN: 9780495110811 | Authors: Dennis Wackerly; William Mendenhall; Richard L. Scheaffer

Mathematical Statistics with Applications | 7th Edition

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Problem 58E

Problem 58E

The administrators for a hospital wished to estimate the average number of days required for inpatient treatment of patients between the ages of 25 and 34. A random sample of 500 hospital patients between these ages produced a mean and standard deviation equal to 5.4 and 3.1 days, respectively. Construct a 95%confidence interval for the mean length of stay for the population of patients from which the sample was drawn.

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Lecture6 - MoreBuilt-inMATLABFunctionsPractice Tuesday,September 27,212:04PM More Built-in MATLAB Functions These functions operatefirst by columnso to apply to an entire matrix the function must be applied 2x • any( ) = returns true if ANY element of the vector is true • all( ) = returns true if only ALL elements of the vector are true • min( ) and max( ) = find the smallest or largest elements of a vector ○ They return 2 things: the value & the index • sort(matrix, 'ascend' or 'descend') = sorts the vector in ascending or descending order ○ Returns 2 things: newly sorted vector & vector of indices sorted • Find( ) = it's just like indexing; it's finding where something is; specifically it converts a logical index into a regula

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Chapter 8, Problem 58E is Solved
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Textbook: Mathematical Statistics with Applications
Edition: 7
Author: Dennis Wackerly; William Mendenhall; Richard L. Scheaffer
ISBN: 9780495110811

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The administrators for a hospital wished to estimate the