756 prompts matching "Using the sine ratio to solve a right-angled"
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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Real-life Nigeria: Comparing two distributions from their ogives
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Quiz me: Calculating the mean before finding the deviations
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Explain back: Why the absolute value is taken in mean deviation
I have just studied why the absolute value is taken in mean deviation in my SS3 Mathematic
Word problem: Comparing the consistency of two Nigerian farmers' yields
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Worked example: The mean deviation of an ungrouped data set
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WAEC pitfalls: Dividing by the wrong number of items
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Practice set: The mean deviation of grouped data
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Spot my mistake: Drawing sector angles that do not total 360 degrees
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WAEC pitfalls: Comparing two pie charts of different totals directly
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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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Word problem: Giving a measured Nigerian market quantity to sensible accuracy
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Real-life Nigeria: How many figures an answer ought to carry
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Spot my mistake: Dividing by the measured value instead of the true value
Act as my SS3 Mathematics tutor. Work a question on dividing by the measured value instead
Word problem: The error in a described market measurement
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Worked example: The percentage error left by a rounded calculation
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Practice set: The greatest possible error in a rounded measurement
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Worked example: Compound interest worked year by year and then by formula
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