swer all questions in space provided; 2. Show your work to receive full marks; Question 1: The following is a set of data from a sample of n = 7: 12 7 9 0 7 Em a. Calculate the mean, median, first quartile (Q1), and the third quartile (Q3). b. List the five-number summary. c. Comment on the shape. Are the data skewed? Question 2: Call centres play an important role in managing day-to-day business communications with customers. Among a comprehensive set of metrics being monitored, is call duration, which is the amount of time spent speaking to customers on the phone. The following data represent the time, in seconds, agents spent talking to customers. 243 290 199 240 125 151 158 66 350 1141 251 385 239 139 181 1 111 136 250 313 154 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. Calculate the mean, median, range, and standard deviation for the call duration, which is the amount of time spent speaking to customers on the phone. b. List the five-number summary. c. Would a call that lasts 1,141 seconds be considered an outlier? Explain. e. What can you conclude about call center performance if a call duration target of less than 240 seconds is set? The End