Method of Data Interpretation for Paper 1 Unit VII (Data Interpretation) as Per New 2020 Syllabus

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Data Interpretation

  • In data interpretation, we are given data in the form of visuals, like table, graph, chart, etc. and a set of questions that follow. Mainly, they use percentage, ratio or proportion.

  • Data interpretation is a major part of quantitative aptitude for any banking exam.

  • Interpretation is the process of making sense of numerical data that has been collected, analyzed, & presented. Interpreting data is an important critical thinking skill that helps uh comprehend, textbooks, graphs, & tables.

  • Data interpretation section are based on following topics of the arithmetic section:

    • Ratios

    • Averages

    • Percentages

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  • If basics of this are clear, attempting DI in the exams comparatively becomes easy.

  • Now let’s go through the types of data interpretation graphs/charts that you may encounter in the exams-

    • Pie charts

    • Line charts

    • Bar graphs

    • Tabular charts

    • Mixed graphs

  • Consider the following data presented in the bar graphs-

  • Percentage of students who like different sports in two different years is provided in this graph. Total number of students is 1000 for both the years.

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image of bar graph

Image of Bar Graph

image of bar graph

  • Now following types of questions may be asked from this data:

    • Sum of difference based

    • These are the most of the basic question, first find the number of students who like the two sports in the two years-

    • 2015 – Badminton

    • Cricket

    • Total

    • 2012 – Badminton

    • Cricket

    • Total

    • Sum

  • Average based question

    Average based question are very commonly asked in data interpretation sets. For instance, what is the average number of students who like badminton, cricket & football in 2011

  • Ratio based question

    • Another arithmetic operation based question that may be asked in ratio based

    • What is the ratio of the students who like football & tennis in 2011 & those who like volleyball & squash in 2012?

    • Students who like football & tennis in 2011

    • Students who like volleyball & squash in 2012

    • Required ratio

  • Percentage based question

    • The students who like badminton & squash in 2011 is what per cent of the students who like football & swimming in 2011?

    • Students who like badminton & squash in 2011

    • Students who like football & swimming in 2011

    • Required percentage

  • Line graph:

image of line graph

Image of Line Graph

image of line graph

Tabular chart:

Sports for 2 Years
Sports for 2 Years

Sports

Year 2011

Year 2012

Badminton

12

20

Cricket

45

37

Football

22

20

Volleyball

8

10

Squash

2

5

Tennis

4

5

swimming

7

3

Pie chart:

Year 2011-

image of pie chart

Image of Pie Chart

image of pie chart

Year 2012-

Titie: image of pie chart

Image of Pie Chart

Titie: image of pie chart

  • One more variety of question that may be asked in pie chart in the angle based. For instance, what is the central angle correspondence to football & volleyball together for 2012?

  • Angle

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