Use the range rule of thumb to estimate the standard deviation of the 50 BMI’s. 15.9​ 19.3​ 19.4​ 20​ 20.1​ 21​ 21​ 21.6​ 21.6​ 23.2​ 24.5​ 24.6​ 24.8​ 25.5​ 25.8​ 25.8​ 25.9​ 26.1​ 26.1​ 26.7​ 27.1​ 27.3​ 27.4​ 27.4​ 28​ 28.3​ 28.4​ 28.5​ 29.1​ 29.3​ 29.8​ 29.9​ 30.4​ 30.8​ 30.8​ 31.1​ 31.2​ 31.4​ 31.8​ 32.7​ 33.3​ 33.3​ 33.5​ 33.6​ 34.5​ 36.5​ 36.7

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A: n=200, x=152

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A:

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Q: The time it takes for a statistics professor to mark a single midterm test is normally distributed…

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