The ages of some vice presidents in the United States at the time of their death are listed below. 50 61 79 85 59 76 82 89 a) Construct a group frequency distribution using 4 classes. For the relative frequency column, express the answers as a decimal and not as a percent. Class Boundaries Frequency Relative Frequency (Round to two decimal places) Class Limits | -| 59 *|-|69 |- 79 *|-|89 09 4 A8 X 45 x