dxxaannxx dxxaannxx 18-11-2020 Mathematics contestada The salaries of a random sample of a company's employees are summarized in the frequency distribution below. Approximate the sample mean. Salary (5) Employees 3.001-10,000 14 10.001-15,000 16 15.001-20,000 14 20.001-25.000 17 25.001-30.000 19