Question: Chapter 9 Problem 4 An air-conditioning repair department manager has compiled data on the primary reason for 41 service calls for the previous week, as

Chapter 9 Problem 4 An air-conditioning repair
Chapter 9 Problem 4 An air-conditioning repair department manager has compiled data on the primary reason for 41 service calls for the previous week, as shown in the table. Using the data, make a check sheet for the problem types for each customer type, and then construct a Pareto diagram for each type of customer. Problem/ Customer Type F/C O/C W/C NR O/C Job Number 301 302 303 304 305 306 307 308 309 310 311 312 313 314 Problem/ Customer Type F/R O/R N/C NYR W/C NR F/R N/C W/R N/R NR F/C N/R W/C Job Number 315 316 317 318 319 320 321 322 323 324 325 326 327 328 F/R F/R O/R F/R N/C F/R O/R W/C O/C Job Number 329 330 331 332 333 334 335 336 337 338 339 340 341 Problem/ Customer Type O/C N/R N/R W/R O/R O/C N/R W/R O/C O/R F/R N/R O/C Check Sheet Problem Check Sheet Failed (F) Odor (0) Noisy (N) Warm (W) Totals Customer Type Residential (R) Commercial (C) Totals

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