need help in the following

b) The following are ages of 25 participants taken in a survey. Use this data and answer the questions that follow. 50 64 32 55 41 44 24 46 58 47 36 52 54 44 66 47 59 51 61 57 49 28 42 38 45 i) Construct a stem and leaf display for the ages. (2.5 Marks) ii) What size would you recommend for the class interval? (1 Mark) iii) What is the class width? (1.5 Marks) iv) Construct a frequency distribution for the number of classes that you have identified in part (b). (5 Marks) V ) Construct a frequency polygon for the data. (2 Marks)