of 8

• date post

09-Jun-2018
• Category

## Documents

• view

227

0

Embed Size (px)

### 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

CORBETTMATHS 2016

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

• !ScatterGraphs

Videos165to168onwww.corbettmaths.com

(e) (f)

Question3: DescribetherelationshipsshownineachscattergraphinQuestion2.

(a) Daisyspent7hoursrevisingforthetest.WhatisDaisystestscore?

(b)Harrystestscorewas30%.HowmanyhoursdidHarryspendrevising?

(c)DrawalineofbestVit.

(d)Anotherstudentspent6hoursrevisingforthetest.Findanestimateoftheirtestscore.

(e)Explainwhyitmightnotbesensibletousethescattergraphtoestimatethescoreforastudentthatspent15hoursrevising.

Apply

CORBETTMATHS 2016

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

• !ScatterGraphs

Videos165to168onwww.corbettmaths.com

(a) Describetherelationshipshowninthescattergraph.

(b)DrawalineofbestVitonthediagram.

(c)EstimatethecostofrentinganapartmentfromLondon.

(d)Victorhas1100tospendonrent.EstimatehowclosehecouldlivetoLondon.

(e)Explainwhyitmightnotbesensibletousethescattergraphtoestimatethepriceofrentforapropertythatis250kmfromLondon.Question3: Thestudentsinaclasssitanon-calculatorandacalculatormathspaper.

CORBETTMATHS 2016

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

• !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.

CORBETTMATHS 2016

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

• !ScatterGraphs

Videos165to168onwww.corbettmaths.com

Question1(a)

Question1(b)

CORBETTMATHS 2016

Templates

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

• !ScatterGraphs

Videos165to168onwww.corbettmaths.com

Question1(c)

Question1(d)

CORBETTMATHS 2016

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

• !ScatterGraphs

Videos165to168onwww.corbettmaths.com

Apply1

Apply2

CORBETTMATHS 2016

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

• !ScatterGraphs

Videos165to168onwww.corbettmaths.com

Apply3

Apply4

CORBETTMATHS 2016

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