Mathematics for IGCSE & O level - Categorical, Numerical And Grouped Data (Section 1 - No. 25)
What is the main reason for grouping data into classes?
To make calculations more accurate.
To represent data in a more organized form.
To show the extreme values.
To avoid the loss of specific information.
คำอธิบาย
Grouping data helps to visualize it and to show trends within data.