(a)Median would be better than mean because the distribution is skewed to right. The distribution has outliersâ€™ therefore median works better to explain the growth rates of job.

(b)Inter quartile range would be better than standard deviation. The distribution is skewed to right and has few outliers therefore inter quartile range would be better to explain the growth rates of job.

(b)Inter quartile range would be better than standard deviation. The distribution is skewed to right and has few outliers therefore inter quartile range would be better to explain the growth rates of job.