Question: What is the square root of 81? How does it compare to the square root of 64? Would β81 + β64 be greater than, equal to, or smaller than 13.5? Explain your reasoning.
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Question: What is the standard deviation of a dataset with values 5, 7, 3, 1, 6?
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What is the limit of (x^2 + 3x + 1) / (2x^2 - 5x + 2) as x approaches 2?