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The heights of 50 students, measured to the nearest centimetres, have been found to be as follows: 161, 150, 154, 165, 168, 161, 154, 162, 150, 151, 162, 164, 171, 165, 158, 154, 156, 172, 160, 170, 153, 159, 161, 170, 162, 165, 166, 168, 165, 164, 154, 152, 153, 156, 158, 162, 160, 161, 173, 166, 161, 159, 162, 167, 168, 159, 158, 153, 154, 159 Construct a necessary FDT and calculate the following positions: i. Q1 ii. Q2 iii. Q3 iv. D2 v. D4 vi. D8 vii. P2 viii. P35 ix. P67 x. P82