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

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Videos158and159onwww.corbettmaths.com

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Question1: Thehistogramshowsinformationaboutthetimetakentotraveltoschoolby students. Completethefrequencytable.

Question2: Thehistogramshowsinformationaboutthetemperaturesinvariouslocations. Completethefrequencytable.

Question3: Thehistogramshowsinformationaboutthesalariesofworkersinacompany.

Completethefrequencytable.

Workout

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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.




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Question1: AnA-levelcourseismarkedoutof400marks. Ateacherhascreatedthishistogramtorepresentthestudents’resultsinhis collegeoverthepast10years. Thetableshowsthemarksneededforeachgrade. Workoutanestimateofthenumberofstudentswhoachievedeachgrade.

Question2: ThereareroadworksinAntrim,soallthebusesthisweekwerelate. Thehistogramshowsinformationaboutallthebuses.

(a) Estimatewhatfractionofbuseswerelessthan3minuteslate.

Thebuscompanyoffersafullrefundifthebusismorethan10minuteslate.(b)Estimatewhatpercentageofpassengerswillreceiveafullrefund.Giveyouranswertotwodecimalplaces.

Apply




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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




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Question6: Thehistogramshowsthespeed,inmilesperhour,ofcarsonaroadover1hour. 24carstravelledfasterthan40mph.

(a)Howmanycarstravelledslowerthan20mph?

(b)Howmanycarstravelledbetween20mphand40mph?

(c)Estimatehowmanycarstravelledbetween15mphand35mph.

Question7: Thehistogrambelowshowstheagesofrugbyplayers. Thereare768playersthatareunder26yearsold.

Workoutanestimateofhowmanyplayersareover32.

Question8: Thehistogrambelowshowsthemonthlysalariesofemployees. Thereare216peoplewhohaveamonthlysalaryofbetween£1800and£2100.

Workoutanestimateofhowmanyemployeeshaveasalaryofbetween£2300and£2900




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