Q1
A table showing how often each value occurs is called a:
Afrequency table
Bbar graph
Cpie chart
Dpictograph
CBSEClass 6 (CBSE)MathematicsCh 4 · Topic 1
Collecting and Organising Data
Learning to collect and arrange data systematically.
Core concept
Collecting good data requires careful planning — deciding what question to ask, who or what to observe, and how to record responses consistently. Once collected, organising raw data (like a long list of survey responses) into a frequency table immediately reveals patterns, such as which category is most or least common, that would be very difficult to notice by looking at the unorganised raw list alone.
Exam highlight
Key diagram
- Show a simple frequency table of favourite fruits collected from a class survey.
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Quick notes
• Data is collected through observation, surveys, or measurements.
• A frequency table organises data by showing how often each value/category occurs.
• Careful planning (what to ask, who to observe) improves data collection quality.
• Organised data reveals patterns not obvious in a raw, unorganised list.