The Central Line on a P-Chart Is 0

question 75

Multiple Choice

The central line on a p-chart is 0.50 with an UCL of 0.65 and a LCL of 0.35.The results of the next six samples are 0.60,0.37,0.45,0.48,0.53,and 0.62.What should you do?

• A) Nothing; the process is behaving as expected.
• B) Explore the assignable causes because three observations are above the central line.
• C) Explore assignable causes because there is a run.
• D) Increase the sample size to get a better measure.

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Definitions:

Exchange Reaction

A chemical reaction where parts of two reacting molecules are interchanged to produce new products.

Synthesis Reaction

A process where multiple substances merge to create a compound that is more complex.

Decomposition Reaction

A chemical process where a lone compound decomposes into multiple, less complex materials.

Activation Energy

Activation energy is the minimum quantity of energy that a chemical species must possess in order to undergo a specified reaction.