all-conditioning repair department manager has compiled data calls for the previ

Question

all-conditioning repair department manager has compiled data calls for the previous week, as shown in the table. on the primary reason for 41 service Job Number Customer Type Number Customer TypeNumber Customer Type JobProblem/ 315 317 Problem/ N/R O/c WIC FIR W/R F/R FIR 305 319 320 321 322 WIC N/R F/R F/C WIR 307 WIC O/R N/R F/R FIR N/C WC F/C 337 310 311 312 313 , 314 324 W/R 339 340 F/R WIC 326 327 328 N/C Key:Problem type Noisy F-Equipment failure W-Runs warm O Odor C Commercial customer R = Residential customer a. Using the data, prepare a check sheet for the problem types for each customer type. Residential Noisy Failed Odor Warm Noisy Odor

Explanation / Answer

a.

Check sheet:

Total of residential and commerical = 23+18 = 41

Residential Commercial Noisy 9 Failed 3 Failed 7 Noisy 2 Odor 4 Odor 7 Warm 3 Warm 6 Total 23 Total 18

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