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- 1. bar graph Subject-Math'S School-Kendriya Vidyalaya
- 2. DATADATA!!!! the inforMation colleted inthe inforMation colleted in the caSe iS calledthe caSe iS called datadata.. TypesofTypesof DATADATA 1. PriMary data. 2. Secondary data.
- 3. primaryprimary datadata &secondary&secondary datadata When an inVeStigator collectS dataWhen an inVeStigator collectS data hiMSelf With a definite Plan or deSignhiMSelf With a definite Plan or deSign in hiS/her Mind, it iS calledin hiS/her Mind, it iS called PriMaryPriMary datadata.. data Which are not originallydata Which are not originally collected by the inVeStigator butcollected by the inVeStigator but they are obtained froM PubliShed orthey are obtained froM PubliShed or unPubliShed SourceS are KnoWn aSunPubliShed SourceS are KnoWn aS Secondary data.Secondary data.
- 4. What isWhat is graphgraph ?????? a diagraM that ShoWS relationShiPS betWeen nuMberS. graPhS arrange nuMerical inforMation into a Picture froM Which it iS often PoSSible to See oVerall PatternS or trendS in the inforMation iS called graPh.
- 5. TypesofTypesof graphgraph There are Three Types of graphs:- 1. Bar graph. 2. DouBle Bar graph. 3. picTograph. 0 1 2 3 4 5 6 1 3 5 7 9 11 13 15 17 19 frequency frequency 0 5 10 15 2 0 2 5 3 0 3 5 4 0 1 2 3 4 5 6 Ajay Ajay2
- 6. What isWhat is bar graphbar graph ?????? • a Bar graph is a picTorial represenTaTion of The numerical DaTa By a numBer of Bars of uniform wiDTh erecTeD horizonTally or verTically wiTh equally spacing BeTween Them. 0 1 2 3 4 5 6 1 3 5 7 9 11 13 15 17 19 frequency frequency
- 7. Exampleof bar graph.Exampleof bar graph. q. in a class of 30 pupils, The maThemaTics Teacher creaTes The TaBle Below ThaT gives The scores The pupils geT in a TesT (The Teacher scores The TesT from 0 To 20, anD all The scores are whole numBers) Draw a Bar graph ?
- 8. 0 1 2 3 4 5 6 1 3 5 7 9 11 13 15 17 19 frequency frequency Solution.
- 9. What isdoublebar graph. A bAr grAph showing two sets of dAtA simultAneously. it is useful for compArison of dAtA. 0 5 10 15 20 25 30 35 40 1 2 3 4 5 6 Ajay Ajay2
- 10. Exampleof doublebar graph.Exampleof doublebar graph. 0 5 10 15 2 0 2 5 3 0 3 5 4 0 1 2 3 4 5 6 Ajay Ajay2 Name English Hindi Maths Sst. Skt Science Ajay 35 35 32 29 39 39 Ajay2 39 32 35 29 35 30
- 11. What isWhat is PictographPictograph ?????? • A pictogrAph pictoriAl representAtion of dAtA using symbols.
- 12. Exampleof Pictograph.Exampleof Pictograph. July = 250 August =300 September =400 =100 cars one symbol stand for 100 cars 50 cars
- 13. # Made. By – ajay KuMar # $ THANKS FOR YOUR KIND CONSIDERATION $

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