[The following information applies to the questions displayed below.] An air-con

Question

[The following information applies to the questions displayed below.] 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. Job Number Problem/ Customer Type Job Number Problem/ Customer Type Job Number Problem/ Customer Type 301 N/R 315 O/R 329 N/R 302 O/C 316 O/C 330 O/R 303 W/C 317 F/R 331 F/R 304 N/R 318 W/R 332 F/R 305 O/C 319 O/C 333 O/C 306 O/C 320 W/C 334 F/R 307 W/C 321 N/R 335 F/C 308 O/R 322 O/C 336 W/R 309 N/R 323 O/R 337 N/R 310 F/R 324 W/R 338 F/R 311 F/R 325 F/C 339 W/C 312 N/C 326 N/R 340 W/C 313 W/C 327 N/R 341 N/R 314 F/C 328 N/C ________________________________________ Key: Problem type: Customer type: N = Noisy C = Commercial customer F = Equipment failure R = Residential customer W = Runs warm O = Odor ________________________________________ a. Using the data, prepare a check sheet for the problem types for each customer type. (1) Residential customer type Residential Noisy Failed Odor Warm ________________________________________ Totals ________________________________________________________________________________ ________________________________________ (2) Commercial customer type Commercial Failed Noisy Odor Warm ________________________________________ Totals

Explanation / Answer

For Residential customer type

For commercial customer type

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