Class 7 Maths Chapter (Part II) 5 : Connecting the Dots | Statistics, Mean, Median, Mode, Range & Data Handling
Complete Chapter 5 (Part II) guide: introduction to statistical questions and statements, calculating representative values like Arithmetic Mean (Average), Median (middle value), Mode (most frequent value) and Range (difference between max and min), understanding 'fair-share' concept of mean, choosing the right measure of central tendency for different situations (outliers effect), plus solved examples from cricket scores, rainfall data, and garden flowers for CBSE Class 7 Maths
Updated: 6 months ago

Connecting the Dots...
Class 7 Mathematics Chapter 5 | Complete Guide | Statistics 2025
Chapter at a Glance – Connecting the Dots
This chapter introduces statistical thinking, questions, statements, and representative values like mean, using examples from cricket, fruits, flowers, and onion prices.
Main Topics Covered
- Statistical questions and statements
- Representative values: Mean (average)
- Fair-share interpretation of average
- Comparing data sets using totals, averages, max/min
- Visualizing data with dot plots
- Averages in real life
- Outliers and medians
Key Takeaways for Exams
Statistical Question
Anticipates variability, requires data collection.
Mean Formula
Sum of values ÷ Number of values.
Fair-Share
Average as equal distribution.
Dot Plot
Visualizes data distribution and variability.
Outliers
Extreme values affecting mean; use median.
Data Comparison
Use min, max, range, average, total.



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