If n = 4, m0 = 2, and the data values are X1 = 4.2, X2 = 1.8, X3 = 5.3, X4 = 1.7, then the rankings of |Xi − 2| are .2, .3, 2.2, 3.3. Since the first of these values—namely, .2—comes from the data point X2, which is less than 2, it follows that

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1.0 y 0.8 0.6 0.4- 0.2- 20 0.0 1 2 3 4 x 5 6