38. [APPLET] Salaries An analyst claims that the mean annual salary for intermediate level electrical engineers in Baltimore, Maryland, is more than the national mean, $86,700. The annual salaries (in dollars) for a random sample of 21 intermediate level electrical engineers in Baltimore are listed. Assume the population is normally distributed and the population standard deviation is $13,600. At a = 0.09, is there enough evidence to support the analyst's claim? (Adapted from Salary.com) 71,323 87,322 88,900 75,212 89,516 92,345 95,100 78,444 92,634 96,117 90,309 97,818 86,437 103,345 97,722 93,676 89,925 90,121 92,008 91,555 86,544

38. [APPLET] Salaries An analyst claims that the mean annual salary for intermediate level electrical engineers in Baltimore, Maryland, is more than the national mean, $86,700. The annual salaries (in dollars) for a random sample of 21 intermediate level electrical engineers in Baltimore are listed. Assume the population is normally distributed and the population standard deviation is $13,600. At a = 0.09, is there enough evidence to support the analyst's claim? (Adapted from Salary.com) 71,323 87,322 88,900 75,212 89,516 92,345 95,100 78,444 92,634 96,117 90,309 97,818 86,437 103,345 97,722 93,676 89,925 90,121 92,008 91,555 86,544

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section: Chapter Questions

Problem 22SGR

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