1,462 prompts matching "Why grouped data gives an estimated rather than an exact median"
Practice set: Finding the complement of a set within a universal set
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Spot my mistake: Using universal sets, complements
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Practice set: Making a letter the subject of a simple formula
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Quiz: Writing the equation that represents a direct variation
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Word problem: Forming a quadratic equation from its two roots
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Quiz: Reading the maximum or minimum value off a quadratic
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Spot my mistake: Reading off values from a straight-line graph
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Word problem: The gradient of a line from two points on it
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Quiz: Solving problems using properties of equilateral
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Word problem: Choosing class intervals that do not overlap
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Worked example: Combining a trigonometric ratio
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Spot my mistake: Converting between seconds, minutes, hours
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Practice set: Finding the original amount before a percentage increase
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Spot my mistake: Using exponential decay to model a real-life
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Practice set: Factorising a quadratic expression of the form
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Worked example: Constructing a perpendicular bisector
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Quiz: Recognising the symmetry properties of a prism
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Word problem: Setting out a simple frequency distribution
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Quiz: Solving a fractional equation with a linear algebraic
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Quiz: Using proportional reasoning to solve a real-life ratio
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