755 prompts matching "The variance of an ungrouped set of data"
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WAEC Prep: Evaluating 8 to the power two-thirds
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Worked Example: Solving an indicial equation where one side must be factorised first
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WAEC Prep: Rejecting a negative answer in an indicial equation
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Final Revision: Checking an indicial solution by substitution
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Worked Example: Writing an index statement as a logarithm
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Practice: Evaluating log to base 2 of 8
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Final Revision: Proving a logarithmic identity from the laws
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Worked Example: Converting a logarithm to base ten so that tables can be used
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Learn: What a sequence is, and what a term means
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WAEC Prep: A finite sequence and an infinite sequence
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Learn: What makes a sequence an arithmetic progression
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WAEC Prep: Finding how many terms an arithmetic progression has
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Final Revision: Inserting an arithmetic mean between two numbers
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Worked Example: The alternative sum formula that uses the last term
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Final Revision: A savings problem modelled by an arithmetic progression
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Final Revision: Deciding whether a given sequence is a geometric progression
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Final Revision: Proving the sum formula for a geometric progression
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Worked Example: Adding or subtracting the same number on both sides
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Learn: Factorising a quadratic before solving the inequality
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Practice: Using a table of signs to solve a quadratic inequality
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