Download - Scatter Graphs - Corbettmaths · Scatter Graphs Videos 165 to 168 on Question 2: The scatter graph shows information about the cost of renting apartments and

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Page 1: Scatter Graphs - Corbettmaths · Scatter Graphs Videos 165 to 168 on  Question 2: The scatter graph shows information about the cost of renting apartments and

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!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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Page 2: Scatter Graphs - Corbettmaths · Scatter Graphs Videos 165 to 168 on  Question 2: The scatter graph shows information about the cost of renting apartments and

� �

!ScatterGraphs

Videos165to168onwww.corbettmaths.com

(e) (f)

Question3: DescribetherelationshipsshownineachscattergraphinQuestion2.

� Question1: Thescattergraphbelowshowsinformationaboutthenumberofhours spentrevisingforatestandthetestresultforagroupof8students.

(a) Daisyspent7hoursrevisingforthetest.WhatisDaisy’stestscore?

(b)Harry’stestscorewas30%.HowmanyhoursdidHarryspendrevising?

(c)DrawalineofbestVit.

(d)Anotherstudentspent6hoursrevisingforthetest.Findanestimateoftheirtestscore.

(e)Explainwhyitmightnotbesensibletousethescattergraphtoestimatethescoreforastudentthatspent15hoursrevising.

Apply

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Page 3: Scatter Graphs - Corbettmaths · Scatter Graphs Videos 165 to 168 on  Question 2: The scatter graph shows information about the cost of renting apartments and

� �

!ScatterGraphs

Videos165to168onwww.corbettmaths.com

Question2: Thescattergraphshowsinformationaboutthecostofrentingapartmentsand theirdistancefromLondon.

(a) Describetherelationshipshowninthescattergraph.

(b)DrawalineofbestVitonthediagram.

(c)EstimatethecostofrentinganapartmentfromLondon.

(d)Victorhas£1100tospendonrent.EstimatehowclosehecouldlivetoLondon.

(e)Explainwhyitmightnotbesensibletousethescattergraphtoestimatethepriceofrentforapropertythatis250kmfromLondon.Question3: Thestudentsinaclasssitanon-calculatorandacalculatormathspaper.

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Page 4: Scatter Graphs - Corbettmaths · Scatter Graphs Videos 165 to 168 on  Question 2: The scatter graph shows information about the cost of renting apartments and

� �

!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)Ajobcosts£120,estimatethelengthofthejob.

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Page 5: Scatter Graphs - Corbettmaths · Scatter Graphs Videos 165 to 168 on  Question 2: The scatter graph shows information about the cost of renting apartments and

� �

!ScatterGraphs

Videos165to168onwww.corbettmaths.com

Question1(a)

Question1(b)

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Templates

Page 6: Scatter Graphs - Corbettmaths · Scatter Graphs Videos 165 to 168 on  Question 2: The scatter graph shows information about the cost of renting apartments and

� �

!ScatterGraphs

Videos165to168onwww.corbettmaths.com

Question1(c)

Question1(d)

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Page 7: Scatter Graphs - Corbettmaths · Scatter Graphs Videos 165 to 168 on  Question 2: The scatter graph shows information about the cost of renting apartments and

� �

!ScatterGraphs

Videos165to168onwww.corbettmaths.com

Apply1

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Page 8: Scatter Graphs - Corbettmaths · Scatter Graphs Videos 165 to 168 on  Question 2: The scatter graph shows information about the cost of renting apartments and

� �

!ScatterGraphs

Videos165to168onwww.corbettmaths.com

Apply3

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