Q1
What does a frequency table show?
AHow often each value occurs
BOnly the largest value
COnly the smallest value
DNothing useful
ICSEClass 8 (ICSE)MathematicsCh 22 · Topic 2
Practice and Revision - Data Handling
Let us practise and revise what we learned about data handling. Data handling involves organising, presenting, and analysing data using tool
Core concept
A frequency table organises data by showing how often each value or category occurs, making large datasets easier to understand.
How it works
The mean (average) is found by adding all values and dividing by the count, while the median is the middle value when data is ordered.
Why it matters
The mode is the value that appears most frequently in a dataset, useful for understanding common occurrences.
Key detail
These statistical measures and tools help us summarise, interpret, and draw conclusions from data in various real-life contexts.
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Quick notes
• A frequency table shows how often values occur.
• Mean is the average: sum ÷ count.
• Median is the middle value when ordered.
• Mode is the most frequent value.
• These measures summarise data.
• They help interpret and draw conclusions.
• Data handling applies to real-life contexts.
• Tools like graphs also help visualise data.