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4 After returning from a two-week vacation a manager reviewed the Xbar and R charts that were
maintained during the manager’s absence. One of the Xbar charts shows the last 50 points to be very
near the centre line. In fact, they all seem to be within about one sigma of the centre line.
What is the BEST explanation for this occurrence?
a. Somebody restored the original, wider control limit calculation
b. The process standard deviation has decreased and the control limits were not recomputed
c. There has been poor quality performance for quite some time
d. It shows that the operators did a very good job keeping the process close to target
5 Which is NOT a perspective described by the Balanced Scorecard (BSC) to develop metrics, collect
data and analyze it?
a. Individual and corporate self-improvement
b. Internal and external customer satisfaction
c. Expected return on investment
d. Commercial and market sensitivity
6 A production manager has asked a member of the production team to present a summary of the team’s
performance over the past three months.
The data presented was clear and concise, and delivered in a professional manner. However, the data
showed the team’s performance to be lower than expected, and that one member in particular had
failed to meet several of the performance targets set.
Which response from the production manager would NOT be appropriate?
a. Publicly compliment the presenter on their format, content and delivery
b. Openly discuss and share errors in individual performance
c. Explain the danger to the business of missing the performance targets
d. Tell the team they’re smart and capable, and that’s why more is expected of them