1,467 prompts matching "The standard deviation of grouped data using class midpoints (IGCSE/WAEC Revisio"
Nigerian scenario: A calculation from Nigerian trade done with logarithms
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Quiz me: Reducing a number to its residue modulo n
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Practice set: Adding and subtracting in modular arithmetic
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Spot my mistake: Solving a simple congruence
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Quiz me: Listing a set and describing it by a rule
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Spot my mistake: Subsets, and how many a set has
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Nigerian scenario: Sets used to sort a described Nigerian group
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Spot my mistake: A three-set Venn diagram from given numbers
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Word problem: Solving a survey problem with a Venn diagram
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Nigerian scenario: A membership survey in a Nigerian school or club
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Practice set: Conjunction, and when it is true
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Spot my mistake: Implication, and what it asserts
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Nigerian scenario: Logical statements in a described rule or regulation
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Spot my mistake: Building a truth table for a compound statement
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Worked example: A tautology and a contradiction
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Word problem: Showing two statements logically equivalent
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Nigerian scenario: Testing a described argument for validity
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Nigerian scenario: Rearranging a formula from Nigerian trade or building
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Quiz me: Inverse variation and its constant
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Practice set: Joint variation with two variables
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