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Analysis of the Relationship Between Daily Exercise and Body Fat Percentage

A statistical analysis of the relationship between daily exercise routines and changes in body fat percentage.

Anna Wilson
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6 months ago
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AnalysisoftheRelationshipBetweenDailyExerciseandBodyFatPercentageHomeworkChapter7Exhibit7-1Aresearchercollectsdataontherelationshipbetweentheamountofdailyexerciseanindividualgetsandthepercentbodyfatoftheindividual.Thefollowingscoresarerecorded.Individual12345Exercise(min)2018263344%Fat30251817141.RefertoExhibit7-1.Assumingalinearrelationshipholds,theleastsquaresregressionlineforpredicting%fatfromtheamountofexerciseanindividualgetsis__?(4Points)Theleastsquaresregressionlineforpredicting%fatfromtheamountofexerciseis:y=35.74-0.53x2.RefertoExhibit7-1.Ifanindividualexercises20minutesdaily,whatishispredicted%bodyfat?(1point)Ifanindividualexercises20minutesdaily,thepredicted%bodyfatis25.14.3.RefertoExhibit7-1.Ifanindividualexercises30minutesdaily,whatishispredicted%bodyfat?(1point)Ifanindividualexercises30minutesdaily,thepredicted%bodyfatis19.85.4.RefertoExhibit7-1.Whatisthevalueforthestandarderrorofestimateinpredicting%fatfromdailv—StudyXY

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