All the universities suspended academic activities due to pandemic situation. BUP continues its all classes through online. To facilitate its students BUP has taken a decision to provide laptop basing on installments to ensure 100% attendance and effective class participation. A survey has been conducted to know which brand is preferred to the students from different departments among students of BUP. The online responses are given below: a. Which graphical representation is appropriate for this type of variable? Why? b. Draw all the representations (at least three representations) where all the data are being utilized together