9. For Questions 9a, 9b, and 9c, please calculate the mean, median and mode of the following set of numbers: {1, 3, 4, 5, 8, 9, 9, 15, 16, 17, 18, 18, 20, 23, 23, 23, 24, 27, 28, 29, 30, 31, 34, 35}. If necessary please express your answer(s) rounded to the nearest tenth. a. Please enter the mean of the set of numbers: b. Please enter the median of the set of numbers: c. Please enter the mode of the set of numbers