Q7. The following are the ages of 30 patients admitted to the emergency room in a hospital. Construct a stem-and-leaf plot from these data 32 63 33 57 35 54 03 53 42 51 42 48 43 46 61 12 13 16 16 31 31 30 28 28 25 23 23 22 21 17 Q8. Construct the frequency distribution of the above data using 4 classes. Q9. Construct the frequency Histogram graph, relative frequency polygon graph, and the cumulative percentage graph (Ogive graph)

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