Which of the following must always be true about the sample range? $r = \max(x_i) - \min(x_i)$ $r \le 0$ $0 < r < 1$ $-\infty < r < \infty$ $r \ge 0$
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This is the formula for calculating the range of a sample, where "max(x)" represents the maximum value in the sample and "min(x)" represents the minimum value in the sample. So, the first statement "r = max(x) - min(x)" is correct. Show more…
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