Chapter-21 Data Handling

About RS Aggarwal Solutions for Class 8 Maths Chapter-21 Data Handling

Let's now discuss Chapter 21 of Class 8 Maths, which is "Data Handling."

Data handling involves collecting, organizing, representing, and interpreting data. For RS Aggarwal's class 8 Maths check out the page and if you need home tuition for class 8 Maths find the right tutors.

Data can be numerical or categorical and is typically collected for analysis or making informed decisions.

Types of Data:

Data can be categorized as qualitative (categorical) or quantitative (numerical) data.

Qualitative data: Data that represent qualities or attributes, such as colors, names, or categories.

Quantitative data: Data that represent quantities or measurements, such as heights, ages, or test scores.

Data Representation:

Data can be represented in various ways, including tally marks, bar graphs, pictographs, line graphs, and pie charts.

Tally marks: Used for counting and organizing data into groups.

Bar graphs: Represent data using rectangular bars of different lengths.

Pictographs: Use pictures or symbols to represent data.

Line graphs: Show how data changes over time or in relation to other variables.

Pie charts: Display parts of a whole, with each part represented as a slice of the pie.

Class 8 Maths Data Handling (Ex 21A) Exercise 21.1

Class 8 Maths Data Handling (Ex 21B) Exercise 21.2

Class 8 Maths Data Handling (Ex 21C) Exercise 21.3