answer with explanation

5. Suppose you have a data set which specify the longevity of 256 computer's motherboard in years. According to Sturge rule, how many classes do you require to construct a frequency distribution? The following table shows the data on how much sleep two students got each night for a week. Draw an appropriate graph to represent the data and hence comment on it. [6] mmnmmm-m- mE-cz-m-n-m- -__[E-_l-l._