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Data Handling using Pandas - II — Syllabus

CBSE · Class 12 · Informatics Practices

What Data Handling using Pandas - II covers in CBSE Class 12 Informatics Practices: 4 topics, for the 2026-27 session.

93 questions86 flashcards7 formulas & key relations5 concepts

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4 Topics · CBSE Class 12 Informatics Practices · 2026-27

Topics in Data Handling using Pandas - II

1

1. Descriptive Statistics

  • Descriptive statistics summarize data quickly and clearly.
  • The main methods are max, min, count, sum, mean, median, mode, quartiles, and variance.
  • DataFrame.max() calculates maximum values regardless of data type.
2

2. Data Aggregations

  • Aggregation means to transform the dataset and produce a single numeric value from an array.
  • Aggregate functions are max(), min(), sum(), count(), std(), and var().
  • Aggregation can be applied to one or more columns together.
3

3. Sorting a DataFrame

  • Sorting refers to the arrangement of data elements in a specified order, which can either be ascending or descending.
  • Pandas provides sort_values() to sort DataFrame data values.
  • By default, sort_values() sorts in ascending order on row indexes.
4

4. GROUP BY Functions

  • GROUP BY splits data into groups based on some criteria.
  • The process works in three steps: split, apply, combine.
  • Groups can be formed using one column or multiple columns.

Key Concepts

Central concept: Advanced DataFrame analysis and management in Pandas

Descriptive statisticsData aggregationsSorting a DataFrameGroup by functionsAltering the indexOther DataFrame operationsHandling missing valuesImport and export between Pandas and MySQL

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Frequently Asked Questions

What are the important topics in Data Handling using Pandas - II for CBSE Class 12 Informatics Practices?
Key topics in Data Handling using Pandas - II include Descriptive Statistics, Data Aggregations, Sorting a DataFrame, GROUP BY Functions. Study these first, then practise questions on each for the CBSE Class 12 board exam.
How should I revise Data Handling using Pandas - II for the CBSE Class 12 board exam?
Learn the core ideas first, then work through the 93 practice questions on Data Handling using Pandas - II. Revise 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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