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Exam: 250711RR - Data: Description, Collection, and Sampling

This solved exam covers data description, collection methods, and sampling techniques.

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StudentID:22039100Exam:250711RR-Data:Description,Collection,andSamplingWhenyouhavecompletedyourexamandreviewedyouranswers,clickSubmitExam.AnswerswillnotberecordeduntilyouhitSubmitExam.Ifyouneedtoexitbeforecompletingtheexam,clickCancelExam.Questions1to20:Selectthebestanswertoeachquestion.Notethataquestionanditsanswersmaybesplitacrossapagebreak,sobesurethatyouhaveseentheentirequestionandalltheanswersbeforechoosingananswer.1.Toanswerthequestion,refertothefollowinglistofrawdata.63, 71, 72, 77, 77, 78, 86, 77, 88,88Whatisthemeanforthedata?A.77B.77.7C.88D.77.52.Ifthereareanoddnumberofdatavaluesinaset,themedianwillbetheA.valuethatappearsinthecenter.B.averageofthetwoendvalues.C.averageofallofthevaluesdividedbythenumberofvaluesintheset.D.valuethatappearsthegreatestnumberoftimes.3.Whichtypeofplottakesquantitativedataandformsclassesoutofit,thusturningitintoqualitativedata?A.Stem-and-leafplotB.PiechartC.DotplotD.Histogram4.Which of the following statements about interpreting standard deviation istrue?A.TheEmpiricalRulecan'tbeappliedunlessthefrequencydistributionismound-shapedandsymmetric.Chebyshev'sRulecanbeappliedtoanydataset,regardlessoftheshapeofitsfrequencydistribution.B.Chebyshev'sRulecan'tbeappliedunlessthefrequencydistributionismound-shapedandsymmetric.TheEmpiricalRulecanbeappliedtoanydataset,regardlessoftheshapeofitsfrequencydistribution.C.NeitherChebyshev'sRulenortheEmpricalRulerequireanyassumptionsaboutthefrequencydistribution.D.NeithertheEmpiricalRulenorChebyshev'sRulecanbeappliedtodataunlessthefrequencydistributionismound-shapedandsymmetrical.5.Toanswerthequestion,refertothefollowingdata.

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Statistics

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