1,462 prompts matching "Why grouped data gives an estimated rather than an exact median"
Worked example: Multiplying the indices when a power is raised to a power
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Worked example: Simplifying a surd by taking out a square factor
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Worked example: Spotting a misleading scale on a chart
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Worked example: Constructing the perpendicular bisector of a line
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Worked example: The order of rotational symmetry
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Worked example: Solving by substitution
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Worked example: Solving by completing the square
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Worked example: The unitary method for a proportion problem
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Worked example: The equation y equals mx plus c
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Worked example: The equation of a line through two points
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Worked example: Converting a number with a fractional part to base ten
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Worked example: Multiplying two numbers in base five
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Worked example: Deriving the negative index from the division law
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Worked example: A two-step problem needing two ratios
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Worked example: Using the power law to simplify a logarithmic expression
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Worked example: The shape of a logarithmic graph
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Worked example: Bringing a negative number into the right residue class
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Worked example: The number of elements in a set
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Worked example: The formula for the number in a union
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Worked example: Solving by setting each factor to nought
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