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Required information Skip to question [The following information applies to the questions displayed below.] An air-conditioning repair department manager has compiled data on the primary
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[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/C | 315 | N/R | 329 | N/R |
302 | N/R | 316 | W/C | 330 | O/R |
303 | N/R | 317 | F/C | 331 | N/R |
304 | N/C | 318 | N/R | 332 | W/C |
305 | F/R | 319 | W/C | 333 | O/R |
306 | F/R | 320 | F/C | 334 | F/R |
307 | N/C | 321 | F/R | 335 | F/R |
308 | O/C | 322 | F/C | 336 | N/C |
309 | F/R | 323 | O/R | 337 | O/R |
310 | O/C | 324 | N/C | 338 | F/C |
311 | W/C | 325 | F/R | 339 | N/R |
312 | W/R | 326 | N/R | 340 | O/R |
313 | N/R | 327 | N/R | 341 | O/R |
314 | O/C | 328 | F/C | ||
Click here for the Excel Data File
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
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(2) Commercial customer type
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