Method of Data Interpretation for Paper 1 Unit VII (Data Interpretation) as Per New 2021 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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Title: 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:
Title: Line Graph
  • Tabular chart:
Sports for 2 Years
SportsYear 2011Year 2012
Badminton1220
Cricket4537
Football2220
Volleyball810
Squash25
Tennis45
swimming73
  • Pie chart:

Year 2011-

Title: Pie Chart

Year 2012-

Titie: 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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