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Page 1: Box Plots - Corbettmaths · PDF fileBox Plots Videos 149 and 150 ... When would you recommend Rosie visits the island ... Videos 149 and 150 on Question 3: Mr Jones is an estate

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!BoxPlots

Videos149and150onwww.corbettmaths.com

Question1: Drawaboxplotforeachofthefollowing.(a) (b) (c)

Question2: Foreachboxplotbelow,Gindthe(i)median,(ii)interquartilerange,(iii)range(a) (b)

(c) (d)

Question3: Drawaboxplotforeachofthefollowing.(a) (b) (c)

Workout

© CORBETTMATHS 2016

Page 2: Box Plots - Corbettmaths · PDF fileBox Plots Videos 149 and 150 ... When would you recommend Rosie visits the island ... Videos 149 and 150 on Question 3: Mr Jones is an estate

� �

!BoxPlots

Videos149and150onwww.corbettmaths.com

Question4: Drawaboxplotforeachsetofdata

(a) 8,10,13,14,14,15,15,16,18,19,21,22,24,29,35

(b) 40,80,90,90,100,120,130

(c) 5.9,7.3,7.8,8,8.4,8.7,8.9,8.9,8.9,9,9,9.1,9.1,9.3,9.5,9.6,9.9,10.5,10.9

Question5: Comparethedistributionsofeachpairofboxplotsbelow.(a) (b)

(c) (d)

© CORBETTMATHS 2016

Page 3: Box Plots - Corbettmaths · PDF fileBox Plots Videos 149 and 150 ... When would you recommend Rosie visits the island ... Videos 149 and 150 on Question 3: Mr Jones is an estate

� �

!BoxPlots

Videos149and150onwww.corbettmaths.com

Question1: GarethandWaynearetwofootballers. Thetableshowsinformationaboutthenumberofpassestheymakeineach gameoveraseason.

(a) Findthemissingvaluesfromthetable

(b)Usingthesamescale,drawboxplotstorepresentthedata.

(c)Compareandcontrastthetwoboxplots

Question2: Rosieisgoingonholidaytoanisland. TheboxplotsbelowshowinformationaboutthedailyaveragerainfallinMay andJuneontheisland.

(a) WhatwasthemedianrainfallinMay?

(b)WhatwasthehighestrainfallinJune?

(c)WhatpercentageofdaysinJunehadover2.5mmofrain?

(d)WhatpercentageofdaysinMayhadover2.5mmofrain?

(e)WhatpercentageofdaysinMayhadunder1.2mmofrain?

(f)WhenwouldyourecommendRosievisitstheisland?Explainyouranswer.

Apply

© CORBETTMATHS 2016

Page 4: Box Plots - Corbettmaths · PDF fileBox Plots Videos 149 and 150 ... When would you recommend Rosie visits the island ... Videos 149 and 150 on Question 3: Mr Jones is an estate

� �

!BoxPlots

Videos149and150onwww.corbettmaths.com

Question3: MrJonesisanestateagentontheIsleofMan. Hehascreatedthistabletoshowinformationaboutthepricesofhouseshehas sold. Explainhowyouknowhehasmadeamistake.

Question4: Theboxplotshowinformationaboutthemassesofapplesinacrate.

Jackisgoingtoselectapplesatrandomfromthecrate. Afterselectingeachapple,herecordsitsmassandreturnsittothecratebefore pickinganother. Workouttheprobabilitythat:

(a)Jackpickstwoapples,bothunder75g

(b)Jackpickstwoapples,bothover90g

(c)Jackpickstwoapples,bothover105g

(d)Jackpickstwoapples,oneunder90gandoneover105g

(e)Jackpicksthreeapples,allover105g

(f)Jackpicksthreeapples,twoover105gandoneunder75g.

© CORBETTMATHS 2016


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