Question
The file 311Call Duration contains data for the time, in seconds, spent by agents at a certain company talking to 50 customers. (i) Group the
The file ”311Call Duration” contains data for the time, in seconds, spent by agents at a certain company talking to 50 customers. (i) Group the data in class intervals of width 40, starting from 60. (ii) Construct a percentage histogram and a percentage polygon. (iii) What can you conclude about call center performance if a call duration target of less than 240 seconds is set?
| Call Duration |
| 243 |
| 290 |
| 199 |
| 240 |
| 125 |
| 151 |
| 158 |
| 66 |
| 350 |
| 1141 |
| 251 |
| 385 |
| 239 |
| 139 |
| 181 |
| 111 |
| 136 |
| 250 |
| 313 |
| 154 |
| 78 |
| 264 |
| 123 |
| 314 |
| 135 |
| 99 |
| 420 |
| 112 |
| 239 |
| 208 |
| 65 |
| 133 |
| 213 |
| 229 |
| 154 |
| 377 |
| 69 |
| 170 |
| 261 |
| 230 |
| 273 |
| 288 |
| 180 |
| 296 |
| 235 |
| 243 |
| 167 |
| 227 |
| 384 |
| 331 |
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Fundamentals Of Statistics
Authors: Michael Sullivan III
4th Edition
978-032184460, 032183870X, 321844602, 9780321838704, 978-0321844606
