need help in the following

a] Discuss the type of data that will be used for pie charts compared to the type of data used for histograms. [3 Marks] b] The following are ages of 25 participants taken in a survey. Use this data and answer the questions that follow. 543255 41442446584TEE-5254 4466 4? 59 51 61 5? 49 28 42 33 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} iy] Construct a frequency distribution for the number of classes that you have identified in part {b}. [5 Marks} y} Construct a frequency polygon for the data. [2 Marks]