Data handling is the process of collecting, organizing, and interpreting information (data) to make sense of it. In daily life, we use data handling to keep track of things, compare, and make decisions.
We collect data by asking questions, observing, or measuring. For example, counting the number of red, blue, and green cars in a parking lot.
After collecting data, we organize it using tables, lists, or tallies to make it easier to understand.
We can show data using pictures, bars, or graphs. This helps us see patterns and compare information easily.
After representing data, we answer questions based on the information shown in the table, pictograph, or bar graph.
Example 1: The following table shows the number of fruits students like:
Question: Which fruit is liked by the most students?
Answer: Mangoes
Example 2: The pictograph below shows the number of books read by students:
Question: Who read the most books?
Answer: Amit
Problem: In a class, 8 students like cricket, 5 like football, and 7 like badminton. Show this data using tally marks.
Solution:
Data handling helps us collect, organize, represent, and interpret information. It is useful in making decisions and understanding the world around us.