ICGB Online Practice Questions and Answers

A primary benefit of using a Multi-Vari Chart is it provides a visual presentation of two-way interactions.

A. True

B. False

__________ Distributions occur when data comes from several sources that are supposed to be the same yet are not.

A. Skewed

B. Bimodal

C. Gaussian

D. Tri-peaked

It is a Type I error if we reject the Null Hypothesis when it is actually true.

A. True

B. False

Lean removes many forms of ______________ so Six Sigma can focus on reducing _______________.

A. Waste, variability

B. Inventory, defects

C. Waste, cost

D. Movement, variation

Lean focuses on the sequence of activities and work required to produce a product or a service. This flow is called a ___________________.

A. Value-add Flow

B. Production Map

C. Value Stream

D. Operating Procedure

Which of these is Discrete data?

A. Train arrived at 4:17 pm.

B. Race car consumed 23 gallons of fuel.

C. Of the 42 people on the bus, 12 went into the station.

D. It took 3 hours and 32 minutes to complete the marathon.

Nominal Scale data consists of names, labels or categories and cannot be arranged in any mathematical ordering scheme. Complex arithmetic functions cannot be easily applied to Nominal Data:

A. True

B. False

Which of these are correct if Cpk Upper is 2.0 and Cpk Lower is 1.0?

A. The process is not stable.

B. The process is shifted to the left.

C. Cpk must be reported as 1.0.

D. The process Mean is 1.5.

The reason(s) for not marking the customer Specification Limits (SL) on a Control Chart is which of these? (Note: There are 4 correct answers).

A. Process control teams should not control a process based on SLs

B. Displaying the SLs on a Control Chart sends a wrong signal toward process control

C. Marking the SLs on a Control Chart is against the principle of charting

D. By marking the SLs, one can confuse the operator as to what limits are critical

E. By using mere Control Limits the process only needs to be in Statistical Control

The following Business Case is constructed properly.

"During fiscal year 2008 the warranty returns for electric razor Model 312 were 1.3%. This represents a

gap of 0.5% over target costing the company $18,500 per month."

A. True

B. False