Exam 11: Quality Improvement Methods

On a SPC chart,if a data point falls outside the control limits,the process is said to be what?

Which of the following is a quantitative quality improvement tool?

When only natural variations are present,an SPC chart will seldom show a point outside of control limits.

When implementing a quality improvement plan,it is important to understand the constraints that might prevent the organization from achieving its goals.

Using students from one class would provide a simple random sample for all university students.

Which of the following is not a common source of customer feedback?

A single point outside of control limits is sufficient to determine a process is out of control.

Critical evaluation of ideas is an important first step when brainstorming.

A Pareto analysis suggests that 20 percent of the problems are produced by 80 percent of the causes.

A structured process for comparing business practices is known as what?

Deming's Plan Do Check Act cycle is a series of steps that are systematically implemented in a quality improvement plan.

Air pressure must be in a tight range for the proper performance of aerosol air fresheners.Engineering specifications call for 50 psi of pressure with an upper tolerance of 55 psi and a lower tolerance of 45 psi.A sample from the previous week's production had an average 51 psi and a standard deviation of 1.5 psi.What is the capability of the process?

A cause-and-effect diagram is also known as a fishbone diagram.

If the upper tolerance limit for the capability index is 1.029 and the lower tolerance limit for the capability index is 1.496,the C_pk for the process is what value?

When a percentage of measurements fall outside specification limits,the process is capable.