669 prompts matching "IGCSE practice: A two-set survey problem solved with a Venn diagram"
Worked example: Testing the vertices of the feasible region
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WAEC pitfalls: Ignoring the non-negativity constraints
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Teach me: Drawing a frequency polygon from a frequency table
You are my personal SS3 Mathematics tutor. Teach me drawing a frequency polygon from a fre
Quiz me: Building a cumulative frequency table
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Spot my mistake: Plotting cumulative frequency at the class midpoint
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Worked example: Estimating the median from a cumulative frequency curve
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WAEC pitfalls: Reading the quartiles off the wrong axis
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Teach me: Mean deviation, and what it measures
You are my personal SS3 Mathematics tutor. Teach me mean deviation, and what it measures,
Quiz me: Calculating the mean before finding the deviations
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Spot my mistake: Letting positive and negative deviations cancel
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WAEC pitfalls: Dividing by the wrong number of items
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Teach me: When a pie chart suits data better than a bar chart
You are my personal SS3 Mathematics tutor. Teach me when a pie chart suits data better tha
Quiz me: Calculating the angle for each sector of a pie chart
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Spot my mistake: Drawing sector angles that do not total 360 degrees
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Worked example: Reading a quantity from a pie chart given the total
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Teach me: Significant figures, and how to count them
You are my personal SS3 Mathematics tutor. Teach me significant figures, and how to count
Quiz me: Rounding a number to a stated number of significant figures
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Spot my mistake: Rounding twice and drifting away from the true value
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Worked example: Rounding a number whose leading digits are zeros
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WAEC pitfalls: Dropping trailing zeros that are in fact significant
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