Listed in the following table is the number of 30-second radio advertising spots purchased by each of the 45 members of the Greater Buffalo Automobile Dealers Association last year. Organize the data into a stem-and-leaf display. Around what values do the numbers of advertising spots tend to cluster? What is the fewest number of spots purchased by a dealer? The largest number purchased?

TABLE Number of Advertising Spots Purchased by Members of the Greater Buffalo Automobile Dealers Association 96 93 88 117 127 95 113 96 108 94 148 156 139 142 94 107 125 155 155 103112 127 117 120 112 135 132 111 125 104 106 139 134 119 97 89 118 136 125 143 120 103 113 124 138