Arrange the heights of the given students in a grouped distribution with a class interval of 5 and find the number of students whose height is more than 169cm.
Heights (in cm): 150, 153, 162, 170, 186, 153, 162, 180, 165, 150, 178, 156, 184, 176, 173, 186, 159, 183, 150, 156.
9
HeightNumber of Students150−1545155−1593160−1642165−1691170−1742175−1792180−1843185−1892Total20
Number of students whose height is more than 169cm = 2 + 2 + 3 + 2 = 9