Q1. A tire companyr wants to determine the inner diameter of a certain type of tire. Ideally, the diameter of would be 57'1 mm. The data is as follows: 572, 577., 573, 568, 576, 585, 565, 578, 583, 584 [:i)Find the sample mean [:2 decimal places) and median (2. decimal places). (ii) Find the range, sample variance [:3 decimal places), standard deviation [:3 decimal places). (iii) Compute the 10% trimmed mean {2 decimal places)