1,045 prompts matching "The variance of an ungrouped set of data"
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Common Mistakes: A sign error in the formula, and how to catch it
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Worked Example: The product of the roots as c over a
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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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WAEC Prep: Finding the values of m for which a line cuts a curve twice
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Show All Working: The point of contact when a line touches a curve
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Common Mistakes: A line and a curve meeting once without the line being a tangent
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Worked Example: The degree of a polynomial in one variable
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Common Mistakes: Multiplying one polynomial by another
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WAEC Prep: Dividing by a factor of the form ax plus b
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Show All Working: A remainder of nought, and what it means
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Worked Example: Testing a list of candidates to find a factor
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WAEC Prep: The factor theorem for a factor of the form ax plus b
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Final Revision: A factor theorem question set in the WAEC style
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WAEC Prep: Factorising the difference of two cubes
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Show All Working: Reading the final column of a truth table
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Final Revision: A conditional statement set in an everyday situation
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Show All Working: The negation of a tautology
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Show All Working: The fallacy of affirming the consequent
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Worked Example: Arranging r of n objects in a line
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