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Unformatted text preview:  7. Fifty ­eighttroutcaughtinalakehadaverageweight=4.37poundsandstandard deviation=1.61pounds.Fromthesedata,estimatethemeanweightofcatchabletrout inthislakeanddeterminea90%errormargin.  8. Dataontheaverageweeklyearningswereobtainedfromasurveyof50nonsupervisory productionworkersintheminingindustry.Thesamplemeanandstandarddeviation werefoundtobe$630and$35,respectively. (a)E...
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This note was uploaded on 09/17/2012 for the course STAT 301 taught by Professor Xiao during the Fall '07 term at Wisconsin.

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