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Mathematics, 02.08.2021 22:40 gracie6313

A sample of 33 type I ovens has a mean repair cost of $88.53. The population standard deviation for the repair of type I ovens is known to be $19.54. A sample of 51 type II ovens has a mean repair cost of $85.94. The population standard deviation for the repair of type II ovens is known to be $18.19. Required:
Conduct a hypothesis test of the technician's claim at the 0.01 level of significance

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A sample of 33 type I ovens has a mean repair cost of $88.53. The population standard deviation for...
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