The accounting firm of Rowatti and Koppel specializes in income tax returns for self-employed professionals, such as physicians, dentists, architects, and lawyersThe firm employs 11 accountants who prepare the returns. For last year, the number of returns prepared by each accountant was 58 75 31 58 46 65 71 45 58 Click here for the Excel Data File . Find the mean , median , and mode for the number of returns prepared by each accountant Round "Mean " to 2 decimal places .) Mean Median Mode