DATA INTERPRETATION.pdf

Moja

1. DATA INTERPRETATION

2. DataInterpretationistheprocessofmakingsenseoutofacollectionof
datathathasbeenprocessed.Thiscollectionmaybepresentinvarious
formslikebargraphs,linechartsandtabularformsandothersimilarforms
andhenceneedsaninterpretationofsomekind.Herewewilllearnabout
datainterpretationwiththehelpofmanyimportanttechniquesand
examples.Wewillseehowwecanmakesenseoutofthegraphicaldata
andotherformsofit.Weshalllearntouseittosolvethemostcommon
questionsthatarepresentinthissectionofthequantitativeaptitude.
ABOUT

3. TYPES
•Tabulation
•Pie Chart
•Bar Chart
•Line Chart
•Radar Graph
•Puzzle
•Missing DI
Tabulationis a systematic & logical presentation of numericdatain rows
and columns to facilitate comparison and statistical analysis. ... In other
words, the method of placing organiseddatainto a tabular form is called
astabulation.
(i)Case lets
(ii) Table Puzzle
Apiechartisatypeofgraphinwhichacircleisdividedintosectorsthat
eachrepresentsaproportionofthewhole.Piechartsareausefulwayto
organizedatainordertoseethesizeofcomponentsrelativetothewhole,
andareparticularlygoodatshowingpercentageorproportionaldata.
Abar chartis used when you want to show a distribution ofdatapoints or
perform a comparison of metric values across different subgroups of
yourdata. From abar chart, we can see which groups are highest or most
common, and how other groups compare against the others.
Aline chartis a way of plottingdatapoints on aline. Often, it is used to
show trenddata, or the comparison of twoor more than two datasets.
•Triangular DI

4. Topics:
•Percentage
•Ratio and Proportion
•Average
(+)
•All other arithmetic chapters

5. How to approach Data Interpretation
•Visual estimation of the given diagram
•Look at the main heading, sub-heading and data
•Read questions carefully
•Try to understand which type of questions are asked
•The questions are asked either calculation based or observation based
•If questions are asked approximation based so always use the approximate
value and look at the nearest option
•Always watch the unit which are asked

6. PROBLEMS:

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In which of the following years, the imports made by company 'A' was exactly equal to the
average import made by it over the given years?
A.1995
B.1996
C.1997
D.B and C
E.NONE OF THESE

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37. Thank You