747 prompts matching "The standard deviation of ungrouped data (Show That / Hence Find)"
WAEC pitfalls: A division by logarithms checked by estimation
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WAEC pitfalls: Finding a cube root with logarithm tables
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WAEC pitfalls: Treating an implication as though it worked both ways
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WAEC pitfalls: Converting units before a mensuration calculation
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WAEC pitfalls: Predicting a market day from a given date
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WAEC pitfalls: Solving a congruence by testing each residue
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WAEC pitfalls: Multiplying along a branch and adding across branches
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WAEC pitfalls: Differentiating a product as though it were a sum
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WAEC pitfalls: Confusing a position vector with a displacement vector
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WAEC pitfalls: Writing a column vector with its components reversed
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WAEC pitfalls: Assuming a negative scale factor simply shrinks a shape
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WAEC pitfalls: Assuming matrix multiplication is commutative
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WAEC pitfalls: Giving a percentage error as a negative quantity
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Explain It Back: Great circles and small circles
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Worked Example: Variation problems in Nigerian market pricing contexts
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Worked Example: Probability using tree diagrams
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Worked Example: Combining operations in modular arithmetic
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WAEC exam prep: A statement disproved by a single counter-example
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WAEC exam prep: Factorising by taking out a common factor first
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WAEC exam prep: A school survey in which every pupil chose at least one subject
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