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Frequency Distribution Table

 Grouped Frequency Distribution

Normally, the data which we received is unorganized. Such data's which are unorganized are known as Raw Data.

Example - In a class of 20 students. Students were asked for their favorite game. And their answers are as follows:
Football, cricket, volley ball, badminton, volley ball, cricket, football, cricket, volley ball, football, badminton, football, cricket, volley ball, football, cricket, badminton, football, cricket, volley ball.

You can observe that the above answers of 20 students represent an unorganized and raw data.

Now, it's very difficult to know which is most like game and which is the least liked. And for this we first need to organize this raw data

So, answer of 20 students is now rearranged and organized in the following way:

Favorite Game Liked by Number of Students
Football 6
Cricket 6
Volley ball 5