742 prompts matching "Finding an expression for fg of x"
WAEC pitfalls: Reading the quartiles off the wrong axis
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Practice set: Estimating quartiles and percentiles from an ogive
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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,
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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Real-life Nigeria: Mean deviation set beside standard deviation
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Teach me: When a pie chart suits data better than a bar chart
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Spot my mistake: Drawing sector angles that do not total 360 degrees
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Word problem: Presenting a Nigerian household budget as a pie chart
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WAEC pitfalls: Comparing two pie charts of different totals directly
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Practice set: Converting between a pie chart and a bar chart
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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
Spot my mistake: Rounding twice and drifting away from the true value
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Word problem: Giving a measured Nigerian market quantity to sensible accuracy
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WAEC pitfalls: Dropping trailing zeros that are in fact significant
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Practice set: Estimating an answer by rounding each quantity first
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Real-life Nigeria: How many figures an answer ought to carry
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Teach me: Absolute error and percentage error defined
You are my personal SS3 Mathematics tutor. Teach me absolute error and percentage error de
Quiz me: Calculating percentage error from a measured and a true value
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WAEC pitfalls: Giving a percentage error as a negative quantity
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