1,045 prompts matching "The interquartile range of a set of ordered data"
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Show All Working: Choosing between factorising and the formula
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Common Mistakes: A sign error in the formula, and how to catch it
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Common Mistakes: A symmetric function needing the sum and product twice over
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Show All Working: A simultaneous pair in which the second equation is a circle
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Common Mistakes: A line and a curve meeting once without the line being a tangent
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Practice: Polynomial notation such as P of x
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Common Mistakes: Multiplying one polynomial by another
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Show All Working: Synthetic division as a shorter route
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Show All Working: A remainder of nought, and what it means
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Common Mistakes: The remainder theorem applied to a quartic
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Worked Example: Testing a list of candidates to find a factor
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Practice: Showing that x plus 3 is a factor of a given polynomial
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Show All Working: What the factor theorem says about the roots
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Common Mistakes: Using the factor theorem before dividing
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Common Mistakes: Comparing two statements by their truth tables
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Final Revision: A conditional statement set in an everyday situation
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Show All Working: The distributive laws in logic
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Common Mistakes: Simplifying a compound statement using the laws
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WAEC Prep: A tautology used to justify a rule of algebra
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Worked Example: Arranging r of n objects in a line
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