Scatter Graphs - Corbettmaths .Scatter Graphs Videos 165 to 168 on Question 2: The scatter graph

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Transcript of Scatter Graphs - Corbettmaths .Scatter Graphs Videos 165 to 168 on Question 2: The scatter graph

  • !ScatterGraphs

    Videos165to168onwww.corbettmaths.com

    *TherearetemplatesforQuestion1andApplyQuestions1,2,3,4atthe endofthisexercise

    Question1: Plotthefollowinginformationasscattergraphs

    (a)

    (b)

    (c)

    (d)

    Question2: Whattypeofcorrelationdoeseachscattergraphshowbelow

    (a) (b)

    (c) (d)

    Workout

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  • !ScatterGraphs

    Videos165to168onwww.corbettmaths.com

    (e) (f)

    Question3: DescribetherelationshipsshownineachscattergraphinQuestion2.

    Question1: Thescattergraphbelowshowsinformationaboutthenumberofhours spentrevisingforatestandthetestresultforagroupof8students.

    (a) Daisyspent7hoursrevisingforthetest.WhatisDaisystestscore?

    (b)Harrystestscorewas30%.HowmanyhoursdidHarryspendrevising?

    (c)DrawalineofbestVit.

    (d)Anotherstudentspent6hoursrevisingforthetest.Findanestimateoftheirtestscore.

    (e)Explainwhyitmightnotbesensibletousethescattergraphtoestimatethescoreforastudentthatspent15hoursrevising.

    Apply

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  • !ScatterGraphs

    Videos165to168onwww.corbettmaths.com

    Question2: Thescattergraphshowsinformationaboutthecostofrentingapartmentsand theirdistancefromLondon.

    (a) Describetherelationshipshowninthescattergraph.

    (b)DrawalineofbestVitonthediagram.

    (c)EstimatethecostofrentinganapartmentfromLondon.

    (d)Victorhas1100tospendonrent.EstimatehowclosehecouldlivetoLondon.

    (e)Explainwhyitmightnotbesensibletousethescattergraphtoestimatethepriceofrentforapropertythatis250kmfromLondon.Question3: Thestudentsinaclasssitanon-calculatorandacalculatormathspaper.

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  • !ScatterGraphs

    Videos165to168onwww.corbettmaths.com

    (a) Whattypeofcorrelationdoesthescattergraphshow?

    (b)DrawalineofbestVit.

    (c)Philipwasabsentforthecalculatorpaper,buthescored80inthenon-calculatorpaper.UseyourlineofbestVittopredicthiscalculatorpaperscore.

    (d)Neilwasabsentforthenon-calculatorpaper,buthescored60inthecalculatorpaper.UseyourlineofbestVittopredicthisnon-calculatorpaperscore.

    Question4: MrHughesisaplumber. Thescattergraphshowsthecostandthelengthofhislast10jobs.

    (a) DrawalineofbestVit

    (b)ForonejobMrHughesneededtoreplaceanexpensivepartthatheVittedquickly.Howlongdidthatjoblast?

    (c)Estimatethecostofajoblasting3.5hours.

    (d)Ajobcosts120,estimatethelengthofthejob.

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  • !ScatterGraphs

    Videos165to168onwww.corbettmaths.com

    Question1(a)

    Question1(b)

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    Templates

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  • !ScatterGraphs

    Videos165to168onwww.corbettmaths.com

    Question1(c)

    Question1(d)

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  • !ScatterGraphs

    Videos165to168onwww.corbettmaths.com

    Apply1

    Apply2

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  • !ScatterGraphs

    Videos165to168onwww.corbettmaths.com

    Apply3

    Apply4

    CORBETTMATHS 2016

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