Question

xi) The heights of five runners are 150 cm, 147 cm, 139 cm, 160 cm and 154 cm. Find the mean height.
xii) Find the range of given data.
2,11,3,0,22,3,14,1,11,4,0,2
xiii) Find the median - 17, 43, 29, 10, 86, 111, 264​

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