757 prompts matching "IGCSE Maths Y10: How many times an event is expected in 200 trials — Show All Wo"
Quiz me: Identifying the coefficient matrix and the constant matrix
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Practice set: Cramer's rule as an alternative method
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WAEC pitfalls: Giving a graphical answer to more accuracy than the scale allows
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Practice set: Solving simultaneous equations graphically
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Real-life Nigeria: Where a graphical method beats an algebraic one
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Word problem: A Nigerian transport loading problem as a linear programme
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Practice set: Finding the maximum of an objective function
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Word problem: Reading the number above a threshold from an ogive
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Practice set: Estimating quartiles and percentiles from an ogive
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Quiz me: Calculating the mean before finding the deviations
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Word problem: Comparing the consistency of two Nigerian farmers' yields
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Practice set: The mean deviation of grouped data
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Real-life Nigeria: Mean deviation set beside standard deviation
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Quiz me: Calculating the angle for each sector of a pie chart
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Word problem: Presenting a Nigerian household budget as a pie chart
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Practice set: Converting between a pie chart and a bar chart
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Quiz me: Rounding a number to a stated number of significant figures
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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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