Managerial statistics

Chapter 3 1. An accounting firm specializes in income tax returns for self-employed professionals, such as doctors, dentists, architects, and lawyers. The firm employs 11 accountants who prepare the returns. For the last year, the number of returns prepared by each accountant was: 58 75 31 58 46 65 60 71 45 58 80 Required a. What is the total number of returns prepared? b. Find the mean, median, and mode for the number of returns prepared 2. The data below depict the age of students in an adult learning centre in Manitoba. Class Frequency 14 - 20 10 21 - 27 11 28 - 34 35 - 41 - A DO a . 42 - 48 49 - 55 Required a. Find the mean b. What is the modal class