Quiz 3

Question 1

The basic seven (B7) tools of quality

Answer 1

can be used by individuals and in teams.

can be applied by people of different
education levels.

are useful at all levels of the organization.

Question 2

You have recently changed suppliers for a key raw material and would like to gather information about the new supplier’s performance via computerized check sheet. Items you would likely measure include:

Answer 2

Number of, and percentage of, raw material defects.

Number of, and percentage of, deliveries that were incomplete.

Number of, and percentage of, deliveries that were late.

Question 3

Which is true of histograms?

Answer 3

Computing the mean and the standard deviation is helpful in histogram analysis.

Question 4

The critical path in the activity network diagram is the path of activities that is the

Answer 4

longest in time from the project beginning to the end.

Question 5

The reasons why performance tools such as B7 and N7 are not successfully employed in all companies include:

Answer 5

Cultural change is needed to ensure meaningful implementation after training has occurred.

Question 6

The 80-20 rule is represented in which of the following tools?

Answer 6

Pareto charts.

Question 7

Which of the following could be found at the head of a cause-and-effect (Ishikawa) diagram?

Answer 7

The zipper doesn’t stay zipped.

Question 8

Which of the following is a likely application of the 80-20 rule?

Answer 8

80% of customer complaints come from a small number of quality problems.