Question 2 In order to look at the income distribution of those working in the Pharmaceutical sector, an economist surveyed 30 Pharma workers at random including some with 'casual' and part-time

contracts. Their salaries are listed below, rounded to the nearest one thousand euros. 09 14 24 32 47 (i) (ii) (iii) (iv) (v) (vi) 10 14 26 33 47 11 17 26 37 52 11 18 28 38 63 12 21 29 39 71 13 22 30 45 77 Represent the data on a stem and leaf plot. Based on the stem and leaf plot, provide a suitable measure of centrality and spread. Include an explanation for your choice. Establish a frequency distribution having 8 classes of equal width. Represent the data on a Cumulative Frequency Table. Construct an Ogive (cumulative frequency curve) to represent the data. Use the ogive to estimate the median and interquartile range for the distribution. Interpret these values. Does the data contain any outliers? Explain your answer.