HW 10 Req HW Solutions - Chap 9

HW 10 Req HW Solutions - Chap 9 - Problem Solutions for...

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from Chapter 9 3. a. H 0 : μ = 32 Specified filling weight H a : ≠ 32 Overfilling or underfilling exists b. H 0 cannot be rejected if there is no statistical (sample) evidence that the production line is not operating properly. In this case, allow the production process to continue. c. When H 0 can be rejected, then there is sufficient statistical (sample) evidence to conclude that ≠ 32 and that overfilling or underfilling is occurring. In this case, it should be recommended to shut down and adjust the production line. 7. “Carpetland salespersons average up to (or at most) $8000 per week in sales. …” a. H 0 : ≤ 8000 H a : > 8000 (H a is a research hypothesis to see if the plan increases average sales.) b. Claiming > 8000 when the plan does not increase sales. A mistake could be implementing the plan when it does not help. c. ≤ 8000 when the plan really would increase sales. This could lead to not implementing a plan that would increase sales. ASW 5e Req HW #10 from Chap 9 1 © Harvey Singer
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This note was uploaded on 02/19/2011 for the course OM 210 taught by Professor Singer during the Spring '08 term at George Mason.

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HW 10 Req HW Solutions - Chap 9 - Problem Solutions for...

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