Questions and 100% Accurate Answers.
A shoe manufacturing firm learned through a Lean Six Sigma project their boot soles
could be made of a different material requiring two less steps in the process. Removal of
these two steps yielded a monthly cost savings of $7,500. Therefore the reported financial
savings for this LSS project were:
A) $45,000
B) $75,000
C) $90,000
D) $120,000
- Ans-This is a bizarre question. It never mentions that the financial savings should be
reported at the annual level. However, that's a reasonable assumption to make. $7,500 *
12 months = $90, 000.
The statistics that summarize a population are referred to as
(A) categorical statistics
(B) descriptive statistics
(C) probabilistic statistics
(D) control statistics - Ans-B. Descriptive Statistics
As we calibrate our Measurement System to assure accurate data we frequently
encounter Bias which is the __________________ of a measured value from the
________________ value. (Taken from Iassc sample Green Belt exam.)
(A) Spread, Mean of the population
(B) Deviation, hoped for
(C) Deviation, true
(D) Spread, idea - Ans-C. Deviation, True
When calculating the Cp index, what does the standard deviation represent in the formula
Cp = (USL - LSL) / 6σ?
(A) The tolerance interval
, (B) The confidence interval for the result
(C) The range of the process
(D) The variance of the index - Ans-C. The range of the process
In an "X" Sifting exercises a Belt will use a(n) _______________ to assist in isolating
families of variation that may exist within a subgroup, between subgroups or vary over
time.
(A) Multi - Vari Chart
(B) Pareto Chart
(C) FMEA
(D) Shewhart Analysis - Ans-A. Multi - Vari Chart
When an inspection process rejects conforming product, what type of error is being
made?
(A) a
(B) b
(C) σ
(D) H0 - Ans-A. Alpha error
Which of the following terms is used to describe the risk of a type I error in a hypothesis
test?
(A) Power
(B) Confidence level
(C) Level of significance
(D) Beta risk - Ans-C. Level of Significance
Which of the following is a commonly accepted level for alpha risk?
(A) 0.05
(B) 0.50
(C) 0.70
(D) 0.95 - Ans-A. 0.05