GM is interested is interested in learning more about customer satisfaction with the performance of one of their automobiles. Several customers appear to be unhappy and have complained about early transmission failures. To learn more about this problem, GM wants to estimate the “Average Miles driven” before the failure occurred. For this GM used a random sample of actual transmission repairs on cars from their domestic dealerships. Following data (sent to you as a separate EXCEL file via e-mail) shows the actual number of miles driven at the time of transmission failure for 50 randomly chosen vehicles. Briefly discuss the implication of your st
GM is interested is interested in learning more about customer satisfaction with the performance of one of their automobiles. Several customers appear to be unhappy and have complained about early transmission failures. To learn more about this problem, GM wants to estimate the “Average Miles driven” before the failure occurred. For this GM used a random sample of actual transmission repairs on cars from their domestic dealerships. Following data (sent to you as a separate EXCEL file via e-mail) shows the actual number of miles driven at the time of transmission failure for 50 randomly chosen vehicles.
- Briefly discuss the implication of your statistical finding in terms of the belief that many owners have experienced early failures, if only failures before 90,000 miles can be considered early failures.
|
85,092 |
32,609 |
59,465 |
77,437 |
32,534 |
64,090 |
32,464 |
59,902 |
|
39,323 |
89,641 |
94,219 |
116,803 |
92,857 |
63,436 |
65,605 |
85,861 |
|
64,342 |
61,978 |
67,998 |
59,817 |
101,769 |
95,774 |
121,352 |
69,568 |
|
74,276 |
66,998 |
40,001 |
72,069 |
25,066 |
77,098 |
69,922 |
35,662 |
|
74,425 |
67,202 |
118,444 |
53,500 |
79,294 |
64,544 |
86,813 |
116,269 |
|
37,831 |
89,341 |
73,341 |
85,288 |
138,114 |
53,402 |
85,586 |
82,256 |
|
77,539 |
88,798 |
|
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|
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