E (Acceptance sampling, moderate)

80. Which of the following statements about acceptance sampling is true?

a. The steeper an OC curve, the better it discriminates between good and bad lots.

b. Acceptance sampling removes all defective items.

c. Acceptance sampling of incoming lots is replacing statistical process control at the supplier.

d. Acceptance sampling occurs continuously along the assembly line.

e. All of the above are true.

A (Acceptance sampling, moderate)

81. Which of the following is true regarding the average outgoing quality level?

a. An AOQ value of 1 is ideal, because all defects have been removed.

b. AOQ is always greater than AQL but less than LTPD.

c. AOQ rises (worsens) following inspection of failed lots.

d. AOQ is very low (very good) for extremely poor quality lots.

e. None of the above is true.

D (Acceptance sampling, difficult)

FILL-IN-THE-BLANK

82. _____________ is variation in a production process that can be traced to specific causes.

Assignable variation (Statistical Process Control (SPC), moderate)

83. The _________ is the chief way to control attributes.

P-chart (Statistical Process Control (SPC), moderate)

84. If a process has only natural variations, _________ percent of the time the sample averages will fall inside the (or ) control limits.

Statistical Process Control (SPC), easy)

85. The _________ is a quality control chart that indicates when changes occur in the central tendency of a production process.

X-bar chart (Statistical Process Control (SPC), moderate)

86. The _________ are calculated to show how much allowance should be made for natural variation.

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