Lower specification limit and upper specification limit

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Reference no: EM131673277

For the next questions, refer to the graph. Consider the processes A, B and C. Assume all three are normally distributed. For all three processes, the lower specification limit (LSL) is set at 30.0 and the upper specification limit (USL) is set at 70.0.

Please note that the next four questions do not need any specific mathematical calculations.

1. Process A can be expected to have lower appraisal cost than process B.

True

False

2. A good Quality Specialist should always rate Process B to be better than Process A.

True

False

3. Which of the following statement(s) is (are) true? (Visual inspection of the process graphs would be sufficient. Do not do math calculations).

a. A’s σ and B’s σ are identical.

b. A’s σ and C’s σ are identical.

c. B’s σ and C’s σ are identical

d. All three σ are very different.

e. a and b are true

4. Which of the following statement(s) is (are) true? (No math calculations are expected here. Reviewing and interpreting the formula for Cp would be helpful).

a. A’s Cp and B’s Cp are identical.

b. A’s Cp and C’s Cp are identical.

c. B’s Cp and C’s Cp are identical.

d. All three Cp values are very different.

Reference no: EM131673277

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