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Chapter Summary

Plotting Data using Matplotlib

CBSE · Class 12 · Informatics Practices

Summary of Plotting Data using Matplotlib for CBSE Class 12 Informatics Practices. Key concepts, important points, and chapter overview.

63 questions78 flashcards5 concepts

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Overview

Data visualisation means graphical or pictorial representation of data using graphs and charts. It helps in understanding variation, comparing values, and showing relationships between variables. Matplotlib is a Python library used for creating static, animated, and interactive 2D plots or figures.

Key Concepts

Matplotlib is a Python library used

Matplotlib is a Python library used to create static, animated, and interactive 2D plots or figures. It is installed using pip install matplotlib.

pyplot is the module of Matplotlib

pyplot is the module of Matplotlib that contains plotting functions. It is imported as import matplotlib.pyplot as plt, and plt is the alias used in p

A figure is the overall window

A figure is the overall window where the outputs of pyplot functions are plotted. It contains the plotting area, legend, axis labels, ticks, and title

The plot() function creates the plot

The plot() function creates the plot, and show() displays the figure created using plot().

A figure can be saved using

A figure can be saved using savefig(), with the file name passed as parameter.

Learning Objectives

  • Understand the meaning and purpose of data visualisation
  • Learn how to install Matplotlib and import pyplot as plt
  • Create and display figures using plot() and show()
  • Save plots using savefig()
  • Use basic plot customisation such as title, labels, legend, grid, ticks, colour, marker, linewidth, and linestyle

Frequently Asked Questions

What are the important topics in Plotting Data using Matplotlib for CBSE Class 12 Informatics Practices?
Plotting Data using Matplotlib covers several key topics that are frequently asked in CBSE Class 12 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Plotting Data using Matplotlib — CBSE Class 12 Informatics Practices?
Understand the core concepts first, then work through the 63 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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