2. The data below shows the time in days required to complete year-end audits for a sample of 20 clients of Sanderson and Clifford, a small public accounting firm. Construct a dot plot for the sample. (5 points) Year-end Audit Time (in days) 12 14 19 18 15 15 18 17 20 27 22 23 22 21 33 28 14 18 16 13