finance homework help - homework 3 1-5
Problem 9-1
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[The following information applies to the questions displayed below.] |
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The following are the car repair shop data: |
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Ticket No. |
Work |
Ticket No. |
Work |
Ticket No. |
Work |
|
1 |
Brakes |
11 |
Lube & oil |
21 |
Transmission |
|
2 |
Brakes |
12 |
Battery |
22 |
Lube & oil |
|
3 |
Tires |
13 |
Tires |
23 |
Tires |
|
4 |
Brakes |
14 |
Lube & oil |
24 |
Lube & oil |
|
5 |
Lube & oil |
15 |
Brakes |
25 |
Brakes |
|
6 |
Lube & oil |
16 |
Tires |
26 |
Brakes |
|
7 |
Battery |
17 |
Lube & oil |
27 |
Brakes |
|
8 |
Lube & oil |
18 |
Lube & oil |
28 |
Lube & oil |
|
9 |
Brakes |
19 |
Brakes |
29 |
Tires |
|
10 |
Lube & oil |
20 |
Tires |
30 |
Battery |
|
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References
Section BreakProblem 9-1
1.
value: 2.00 points
Required information
Problem 9-1 Part a
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a. |
Prepare a check sheet for the above car repair shop data: |
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Work Type |
Frequency |
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Lube & oil |
|
|
Brakes |
|
|
Tires |
|
|
Battery |
|
|
Transmission |
|
|
|
|
|
Total |
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|
|
|
|
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2.
value: 2.00 points
Required information
Problem 9-1 Part b
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b. |
Select a appropriate Pareto diagram for the above car repair shop data: |
Problem 9-2
[The following information applies to the questions displayed below.]
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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. |
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Job Number |
Problem/ Customer Type |
Job Number |
Problem/ Customer Type |
Job Number |
Problem/ Customer Type |
|
301 |
O/C |
315 |
F/C |
329 |
O/C |
|
302 |
O/C |
316 |
F/R |
330 |
O/R |
|
303 |
O/C |
317 |
O/C |
331 |
W/C |
|
304 |
O/C |
318 |
W/C |
332 |
N/R |
|
305 |
N/C |
319 |
F/C |
333 |
O/R |
|
306 |
F/R |
320 |
F/R |
334 |
N/C |
|
307 |
W/R |
321 |
W/R |
335 |
F/C |
|
308 |
W/R |
322 |
N/R |
336 |
W/R |
|
309 |
W/C |
323 |
F/R |
337 |
F/C |
|
310 |
W/R |
324 |
F/C |
338 |
N/R |
|
311 |
O/C |
325 |
N/R |
339 |
O/C |
|
312 |
F/C |
326 |
F/R |
340 |
N/R |
|
313 |
W/C |
327 |
N/R |
341 |
O/C |
|
314 |
N/R |
328 |
F/R |
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|
|
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Key: |
Problem type: |
Customer type: |
||
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N |
= Noisy |
C |
= Commercial customer |
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|
F |
= Equipment failure |
R |
= Residential customer |
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|
W |
= Runs warm |
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|
|
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O |
= Odor |
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value: 2.00 points
Required information
Problem 9-2 Part a
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a. |
Using the data, prepare a check sheet for the problem types for each customer type. |
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(1) |
Residential customer type |
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Residential |
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Noisy |
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Failed |
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Warm |
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Odor |
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|
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Totals |
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(2) |
Commercial customer type |
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Commercial |
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Warm |
|
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Noisy |
|
|
Odor |
|
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Failed |
|
|
|
|
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Totals |
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|
|
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4.
value: 2.00 points
Required information
Problem 9-2 Part b
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b. |
Select a appropriate Pareto diagram for the Residential customers. |
5.
value: 2.00 points
Required information
Problem 9-2 Part c
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c. |
Select a appropriate Pareto diagram for the Commercial customers. |