ASQ
CSSBB · Question #288
A Belt working in a supply chain environment has to make a decision to change suppliers of critical raw materials for a new product upgrade. The purchasing manager is depending on the Belt's effort…
The correct answer is E. The Mean is greater than $ 4,200. See the full explanation below for the reasoning.
Analyze Phase
Question
A Belt working in a supply chain environment has to make a decision to change suppliers of critical raw materials for a new product upgrade. The purchasing manager is depending on the Belt’s effort requiring that the average cost of an internal critical raw material component be less than or equal to $4,200 in order to stay within budget. Using a sample of 35 first article components, a Mean of the new product upgrade price of $4,060, and a Standard Deviation of $98 was estimated. The Alternative Hypothesis in the above example is?
Options
- AThe Standard Deviation is equal to $300.
- BThe Mean is less than $4,320.
- CThe Mean is equal to $4,060.
- DThe Mean is less than $4,200.
- EThe Mean is greater than $ 4,200.
How the community answered
(51 responses)- A8% (4)
- B2% (1)
- C2% (1)
- D4% (2)
- E84% (43)
Topics
#alternative hypothesis#hypothesis testing#one-sample t-test#null hypothesis
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