a) The mode is the number repeated most often: 144
b) The range is the diference between the highest and lowest numbers: 183 - 136 = 47
c) The median is the middle number of the sorted set: 154. The person whose height closest to that is Michelle
d) The total of heights in the set is 1418, so the mean is 1418/9 ≈ 157.6. The person whose height is closest to this value is Michelle
The figure attached shows a box and whisker plot of the data, but it is not to scale. You might do well to draw yours to scale.