A study is made by the recording industry in the United States of the number of music CDs owned by 25 senior citizens and 30 young adults. The information is reported below. Seniors 28 35 41 48 52 81 97 98 98 99 118 132 133 140 145 147 153 158 162 174 177 180 180 187 188 Young Adults 81 107 113 147 147 175 183 192 202 209 233 251 254 266 283 284 284 316 372 401 417 423 490 500 507 518 550 557 590 594 a. Find the median and the first and third quartiles for the number of CDs owned by senior citizens. Develop a box plot for the information. b. Find the median and the first and third quartiles for the number of CDs owned by young adults. Develop a box plot for the information. c. Compare the number of CDs owned by the two groups.