Hello, I do not understand how to get the answer for the work book, my numbers are off and I'm not sure what I'm doing wrong?

Workbook Questions: Here, again, are scores received by a class of Biology 101 students on a 40 point exam. Each number is the score, out of 40 points, received by one student. The data are separated by gender. Scores, out of 40 points, received by female students: 17, 20, 30, 31, 31, 33.6, 34, 34.5, 35, 35, 36, 35.6, 36, 36, 36, 37, 37.5, 37, 38, 38 Scores, out of 40 points, received by male students: 11.5, 21.5, 22.5, 22.5, 23.5, 26, 28, 29, 30.5, 30.5, 30.5, 31, 32, 32.8, 34, 34, 35.4, 36, 36.5 Answer the following questions in your Workbook. Use a table like the one in Practice Question 1 (above) to help you organize your data. Page 13 of 22 You must include UNITS in your answer. Fractional numbers must be rounded to TENTHS. You can do your calculations by hand, with a calculator, with a spreadsheet program such as Excel, or with an online calculator such as www.easycalculation.com. 1) What is the Average Deviation in the exam scores for female students? a) 3.9 points b) 3.81 points c) 3.8 points d) 5.6 points e) 76.2 points 2) On average, grades for females in this class go up from the female Mean exam score to points. a) 37 b) 37.18 c) 37.2 d) 39 e) 109.6 3) On average, grades for females in class go down from the female Mean exam score to points. a) 29.6 b) 29.1 C) 29.0 d) 27.8 e) 20.6 4) What is the Average Deviation in the exam scores for male students? a) 92.7 points b) 6.3 points c) 6 points d) 4.9 points e) 4.8 points 5) On average, grades for males in this class go up from the male Mean exam score to points. a) 33.7 b) 35.1 c) 34 d) 34.0 e) 121.5 6) On average, grades for males in class go down from the male Mean exam score to points. a) 4.9 b) 23 c) 22.5 d) 23.9 e) 24.9 Exercise 9: Figures