# 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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- 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:

- Tabular chart:

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-**

**Year 2012-**

- 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