Mathematics for IGCSE & O level - Statistical Diagrams (Section 4 - No. 9)
What is the purpose of class intervals in a frequency table?
To show the frequency of each individual data point.
To organize data into groups for easier analysis.
To calculate the mean of a dataset.
To identify outliers in the data.
คำอธิบาย
Class intervals help group and summarize data for better analysis.