NCERT Solutions for class 7 Mathematics Chapter 3 Data Handling are provided in the article below. Data handling is the method of collecting data set and representing in a different form. Some of the important topics in Data Handling chapter includes:
- Data Sets
- Data Collection and Organisation
- Pie Chart
- Pictorial Representation of Data
- Pictograph
- Grouping Data
- Average
Download PDF: NCERT Solutions for Class 7 Mathematics Chapter 3 pdf
NCERT Solutions for Class 7 Mathematics Chapter 3
NCERT Solutions for Class 7 Mathematics Chapter 3 Data Handling is given below.
Class 7 Maths Chapter 3 Data Handling – Important Topics
- Data means a collection of numerical values that depicts a particular kind of information.
- Observations collected and gathered individually is known as Raw Data.
- Hence, data can be in any of the forms – words, measurements, numbers, descriptions or observations.
- The process of securing the data which is researched and gathered, archived or disposed in a secured manner during and after the completing the analysis process is called Data Handling.
| Example 1: Find the average marks obtained by a group of 5 students – A scored 90, B scored 94, C scored 76, D scored 99, E scored 55. Ans. We know that, Average = Sum of all values/ Total no of values Average marks = 414/5 Average marks = 82.5 Example 2: Find the average of 10, 20, 30, 40, 50. Ans. We know that, Average = Sum of all values/ Total no of values Average = 150/5 Average = 30 |
NCERT Solutions for Class 7 Maths Chapter 3 Exercises
NCERT Solutions for Class 7 Maths Chapter 3 Data handling Exercises are given below.
- NCERT Solutions Class 7 Maths Exercise 3.1
- NCERT Solutions Class 7 Maths Exercise 3.2
- NCERT Solutions Class 7 Maths Exercise 3.3
- NCERT Solutions Class 7 Maths Exercise 3.4
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