585 prompts matching "standard deviation of a small data set"
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Common Mistakes: Rationalising a denominator of the form root a over root b
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Common Mistakes: Rationalising when both terms of the denominator are surds
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WAEC Prep: Equating the rational and the irrational parts of an equation
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Show All Working: Showing a set is not closed by a single counter-example
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Common Mistakes: Subtraction as an example of neither law
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WAEC Prep: The inverse of the identity element itself
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Final Revision: Identity and inverse together, and what they give the set
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Worked Example: The law for multiplying powers of the same base
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WAEC Prep: Why the logarithm of a negative number does not exist
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Worked Example: The law for the logarithm of a quotient
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WAEC Prep: Solving an exponential equation by taking logarithms of both sides
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Worked Example: Writing out the terms of a sequence from its nth term
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Show All Working: Deciding whether a given number is a term of a sequence
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Worked Example: Finding the common difference of an arithmetic progression
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WAEC Prep: A word problem about seats in the rows of a hall
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Show All Working: The sum of the terms lying between two given positions
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Worked Example: Finding the common ratio of a geometric progression
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Worked Example: Which form of the sum formula to use when r is less than one
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Show All Working: The sum to infinity of a geometric progression, and when it exists
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WAEC Prep: Showing the solution of a linear inequality on a number line
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