Wore a bicycle helmet (among students who had ridden abicycle duringthe previous 12-months)?12th-Grade Boys12th-Grade GirlsTotalRarely or Never10677581825Yes96109202Total11608672027Expected: Wore a bicycle helmet (among students who hadridden a bicyele during the previous-12-months)?12th-Grade Boys12th-Grade GirlsTotalRarely or Never1044.3780.61825Yes115.786.4202Total11608672027Use the left table (Observed) and the table onthe right (Expected) to compute the x2.

Solution-: We have, The given frequencies table are observed frequencies 12th-Grade Boys 12th-…

Wore a bicycle helmet (among students who had ridden a bieyele during the previous 12 months)? 12th-Grade Boys 12th-Grade Girls Total Rarely or Never 1067 758 1825 Yes 96 109 202 Total 1160 867 2027 Expected: Wore a bicycle helmet (among students who had ridden-a bicycle during the previous-12-months)? 12th-Grade Boys 12th-Grade Girls Total Rarely or Never 1044.3 780.6 1825 Yes 115.7 86.4 202 Total 1160 867 2027 Use the left table (Observed) and the table on the right (Expected) to compute the x2.

Wore a bicycle helmet (among students who had ridden a bieyele during the previous 12 months)? 12th-Grade Boys 12th-Grade Girls Total Rarely or Never 1067 758 1825 Yes 96 109 202 Total 1160 867 2027 Expected: Wore a bicycle helmet (among students who had ridden-a bicycle during the previous-12-months)? 12th-Grade Boys 12th-Grade Girls Total Rarely or Never 1044.3 780.6 1825 Yes 115.7 86.4 202 Total 1160 867 2027 Use the left table (Observed) and the table on the right (Expected) to compute the x2.

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter10: Sequences, Series, And Probability

Section10.8: Probability

Problem 32E

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