747 prompts matching "The standard deviation of ungrouped data (Show That / Hence Find)"
Spot my mistake: Rounding twice and drifting away from the true value
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Worked example: The percentage error left by a rounded calculation
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Teach me: The simple interest formula and the symbols in it
You are my personal SS3 Mathematics tutor. Teach me the simple interest formula and the sy
Spot my mistake: Applying the simple interest formula to a compound problem
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Worked example: Compound interest worked year by year and then by formula
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WAEC pitfalls: Building a modulo addition table
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WAEC pitfalls: Judging a statement true from a single supporting example
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WAEC pitfalls: What follows validly from a stated implication
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WAEC pitfalls: A pricing problem where cost varies with two quantities
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WAEC pitfalls: Carrying wrongly when adding partial products in base 2
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WAEC pitfalls: Events wrongly treated as mutually exclusive
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WAEC pitfalls: Expressing an inequality solution in set notation
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WAEC pitfalls: Finite, infinite and equal sets distinguished
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WAEC pitfalls: Two draws with replacement compared with two without
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WAEC pitfalls: A three-set problem in which one region is unknown
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WAEC pitfalls: Evaluating a negative expression modulo n
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WAEC pitfalls: A quadratic inequality with no real critical values
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WAEC pitfalls: Inserting several geometric means between two numbers
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WAEC pitfalls: Telling an open statement from a closed one
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WAEC pitfalls: A joint variation set in a Nigerian transport fare
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