2.99 See Answer

Question: The financial services call center in Problem


The financial services call center in Problem 2.44 also monitors call duration, which is the amount of time spent speaking to customers on the phone. The file CallDuration contains the following data for time, in seconds, spent by agents talking to 50 customers.

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

a. Construct a percentage histogram and a percentage polygon.
b. Construct a cumulative percentage polygon.
c. What can you conclude about call center performance if a call duration target of less than 240 seconds is set?

2.99

See Answer