Question 1 Suppose you are detecting quality issues in a process, and all observ

Question

Question 1 Suppose you are detecting quality issues in a process, and all observations are within the control limits, then the process generates no variation True t: False Question 2 Statistical process control aims to detect abnormal process variation. C True t: False Question 3 The higher the USL-LSL difference, the higher the six- sigma capability of the process, holding constant. C True False Question 4 Many sequential steps in a process diminish sizable errors at each step True C False Question 5 One of the main advantages of pull processes is that they maximize flow rate True False Question 6 Why is 1-0(x)+0(X) = 20(-)) ? C Because the standard normal model is symmetric. C Because the mean of the standard normal is zero. C Because the standard deviation of the standard normal is one C None of the above

Explanation / Answer

Q1. True

Q2. True

Q3. True

Process capability index = (USL-LSL)/(6s) , s is sigma.

Higher the numerator of the right side term, the higher the Cp

Q4. False

On the contrary, many sequential steps may actually magnify small errors at each step, resulting in a larger aggregate error.

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