11. Inquiry/Problem Solving The following table shows the salary structure of Statsville Plush Toys, Inc. Assume that salaries exactly on an interval boundary have been placed in the higher interval. Salary Range ($000) Number of Employees 20-30 12 30-40 24 40-50 32 50-60 19 60-70 9 70-80 3 80-90 0 90-100 1 a) Determine the approximate mean salary for an employee of this firm. b) Determine the approximate median salary. c) How much does the outlier influence the mean and median salaries? Use calculations to justify your answer.