← Back to Class 5🔒
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Class 5 · Topic 9
Data Handling
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Step 1 · Learn
Read the ideas
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Pictographs & Bar Graphs
More? Subtract. Total? Add all bars.
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Line Graphs
Up = increase · Down = decrease · Flat = steady.
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Pie Charts
Full circle = 360° = 100% = the total.
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Frequency & Class-Interval Tables
Frequency = how often. Sum all = total items.
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Mean (Average)
Back-solve: sum = mean × count.
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Mode, Range & Average
Most common · biggest − smallest · total ÷ count.
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Range & Multi-Step Data Problems
Sort first → mean · mode · range.
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Step 2 · Practice
Try the quests
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Step 3 · Boss Battle
Beat the boss
🛡️ 🛡️ 🛡️ 3 shields — lose all → 60-second cooldown
Round 1
Pictographs & Bar Graphs
🔒Round 2
Line Graphs
🔒Round 3
Pie Charts
🔒Round 4
Frequency & Class-Interval Tables
🔒Round 5
Mean (Average)
🔒Round 6
Mode, Range & Average
🔒Round 7
Range & Multi-Step Data Problems
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