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Histograms - Corbettmaths · PDF fileHistograms Videos 158 and 159 on Question 1: The histogram shows information about the time taken to travel to school by

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Text of Histograms - Corbettmaths · PDF fileHistograms Videos 158 and 159 on Question 1: The...

  • !Histograms

    Videos158and159onwww.corbettmaths.com

    Question1: Thehistogramshowsinformationaboutthetimetakentotraveltoschoolby students. Completethefrequencytable.

    Question2: Thehistogramshowsinformationaboutthetemperaturesinvariouslocations. Completethefrequencytable.

    Question3: Thehistogramshowsinformationaboutthesalariesofworkersinacompany.

    Completethefrequencytable.

    Workout

    CORBETTMATHS 2016

    http://www.corbettmaths.comhttp://www.corbettmaths.com

  • !Histograms

    Videos158and159onwww.corbettmaths.com

    Question4: Thehistogramshowsinformationaboutagesofthepeoplewholiveinavillage. Completethefrequencytable.

    Question5: Thehistogramshowsinformationaboutdistancesstudentslivefromacollege.

    (a)Howmanystudentsattendthecollege?

    (b)Howmanystudentslivelessthan10kmfromthecollege?

    (c)Howmanystudentslivebetween15kmand20kmfromthecollege?

    (d)Estimatehowmanystudentslivemorethan25kmfromthecollege.

    (e)Estimatehowmanystudentslivelessthan5kmfromthecollege.

    (f)Estimatehowmanystudentslivebetween5kmand12.5kmfromthecollege.

    (g)Estimatehowmanystudentslivebetween12.5kmand17.5kmfromthecollege.

    (h)Estimatehowmanystudentslivebetween10kmand14kmfromthecollege.

    (i)Estimatehowmanystudentslivebetween8kmand16kmfromthecollege

    (j)Estimatehowmanystudentslivefurtherthan16kmfromthecollege.

    CORBETTMATHS 2016

    http://www.corbettmaths.comhttp://www.corbettmaths.com

  • !Histograms

    Videos158and159onwww.corbettmaths.com

    Question1: AnA-levelcourseismarkedoutof400marks. Ateacherhascreatedthishistogramtorepresentthestudentsresultsinhis collegeoverthepast10years. Thetableshowsthemarksneededforeachgrade. Workoutanestimateofthenumberofstudentswhoachievedeachgrade.

    Question2: ThereareroadworksinAntrim,soallthebusesthisweekwerelate. Thehistogramshowsinformationaboutallthebuses.

    (a) Estimatewhatfractionofbuseswerelessthan3minuteslate.

    Thebuscompanyoffersafullrefundifthebusismorethan10minuteslate.(b)Estimatewhatpercentageofpassengerswillreceiveafullrefund.Giveyouranswertotwodecimalplaces.

    Apply

    CORBETTMATHS 2016

    http://www.corbettmaths.comhttp://www.corbettmaths.com

  • !Histograms

    Videos158and159onwww.corbettmaths.com

    Question3: 260peoplesitadrivingtheorytest. Theirresultsareshowninthishistogram.

    10%ofthepeoplescoredlessthanxmarks.

    (a)Findx.

    5%ofpeoplescoredmorethanymarks.

    (b)Findy

    70%ofpeoplescoredlessthanzmarks.

    (c)Findz

    Question4: Theagesoftheresidentsofavillagearerepresentedinthishistogram

    (a)Howmanypeopleliveinthevillage?

    (b)Calculateanestimateofthemeanage

    Question5: TheheightsofsomesunZlowersarerepresentedinthehistogram.

    (a) Findanestimateofthemedian

    (b)Findanestimateofthelowerquartile

    (c)Findanestimateoftheupperquartile

    (d)Findanestimateoftheinterquartilerange

    CORBETTMATHS 2016

    http://www.corbettmaths.comhttp://www.corbettmaths.com

  • !Histograms

    Videos158and159onwww.corbettmaths.com

    Question6: Thehistogramshowsthespeed,inmilesperhour,ofcarsonaroadover1hour. 24carstravelledfasterthan40mph.

    (a)Howmanycarstravelledslowerthan20mph?

    (b)Howmanycarstravelledbetween20mphand40mph?

    (c)Estimatehowmanycarstravelledbetween15mphand35mph.

    Question7: Thehistogrambelowshowstheagesofrugbyplayers. Thereare768playersthatareunder26yearsold.

    Workoutanestimateofhowmanyplayersareover32.

    Question8: Thehistogrambelowshowsthemonthlysalariesofemployees. Thereare216peoplewhohaveamonthlysalaryofbetween1800and2100.

    Workoutanestimateofhowmanyemployeeshaveasalaryofbetween2300and2900

    CORBETTMATHS 2016

    http://www.corbettmaths.comhttp://www.corbettmaths.com