Question: TheInternetsite www.artofstat.com/web-apps has usefulapps 20 for illustrating data analyses andpropertiesofstatisticalmethods. (a) Usingthe ExploreQuantitativeData app, constructasampleof20observations on y = numberofhoursofphysicalexerciseinthepastweekhaving y < s. What aspectofthedistributioncausesthistohappen? (b)

TheInternetsite www.artofstat.com/web-apps has usefulapps 20 for illustrating data analyses andpropertiesofstatisticalmethods.

(a) Usingthe ExploreQuantitativeData app, constructasampleof20observations on y = numberofhoursofphysicalexerciseinthepastweekhaving ¯y < s. What aspectofthedistributioncausesthistohappen?

(b) Usingthe ExploreLinearRegression app withthe DrawOwn option, create20 data pointsthatareplausiblefor x = numberofhoursofexerciselastweekand y = numberofhoursofexercisethisweek.Describeyourdatabythecorrelation and bythelinearregressionline,andinterpretthem.

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