Statistical Methods and Analysis: A Comprehensive Assessment

Comprehensive review of statistical analysis techniques and their applications.

Caleb Patterson

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Statistical Methods and Analysis: A Comprehensive Assessment1.A recent survey of local cell phone retailers showed that of all cell phones sold lastmonth, 64% had a camera, 28% had a music player and 22% had both. Which of thefollowingstatements about cell phones sold last month is true?Having a camera and having a music player are mutually exclusive events.The intersection of having a camera and having a music player is zero.Having a camera and having a music player are independent events.Having a camera and having a music player are disjoint events.Having a camera and having a music player are not mutually exclusive events.4pointsQ U E S T I O N 21.The number of male babies in a sample of 10 randomly chosen babies is a:continuous random variablePoisson random variablebinary random variablebinomial random variable4pointsQ U E S T I O N 31.Thirty work orders are selected from a filing cabinet containing 500 work order foldersby choosing every 15thfolder. Which sampling method is this?Simple random sampleSystematic sampleStratified sampleCluster sample4pointsQ U E S T I O N 4

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