The operations manager of a plant that manufactures tires wants to compare the actual inner diameters of two grades of tires, each of which is expected to be 575 millimeters. Samples of five tires from each grade were selected, and the results representing the inner diameters of the tires, ranked from smallest to largest, are shown below. Complete parts (a) through (c) below. Grade X Grade Y 567 573 577 581 584 570 574 577 579 583 D a. For each of the two grades of tires, compute the mean, median, and standard deviation. The mean for Grade X is mm. (Type an integer or a decimal.)

Q: 10.1 12.2 13.2 10.9 12.2 13.2

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