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Six Sigma ICBB Practice Test - Questions Answers, Page 4

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On a _________________ a Belt screens variables, or various inputs, to analyze their relative impact on the output of concern.

A.
X-Y Matrix
A.
X-Y Matrix
Answers
B.
Weighted Scale
B.
Weighted Scale
Answers
C.
Multi-Vari Chart
C.
Multi-Vari Chart
Answers
D.
Poisson Chart
D.
Poisson Chart
Answers
Suggested answer: C

For a Normal Distribution as samples size increases the Range in Mean and Standard Deviation decrease relative to the Mean and Standard Deviation of the population.

A.
True
A.
True
Answers
B.
False
B.
False
Answers
Suggested answer: A

Some of the sources for different types of error that can be quantified using Statistical Analysis are ___________________.

A.
Error in sampling
A.
Error in sampling
Answers
B.
Bias in sampling
B.
Bias in sampling
Answers
C.
Error in measurement
C.
Error in measurement
Answers
D.
All of these answers are correct
D.
All of these answers are correct
Answers
Suggested answer: D

Since Normality is required if we intend to use the data collected as a predictive tool. To test for Normality of data we must determine if the P-value is ___________.

A.
Equal to 0.05
A.
Equal to 0.05
Answers
B.
Less than 0.05
B.
Less than 0.05
Answers
C.
Greater than 0.05
C.
Greater than 0.05
Answers
D.
Greater than 0.5
D.
Greater than 0.5
Answers
Suggested answer: C

The Normal Distribution is considered to be the most important distribution in statistics and, among other things is defined as having a total area under the curve of 1, is mounded and symmetrical and the Mean, Median and Mode are _____________.

A.
All evenly divisible by 3
A.
All evenly divisible by 3
Answers
B.
Twice the Standard Deviation
B.
Twice the Standard Deviation
Answers
C.
Within 10% of each other
C.
Within 10% of each other
Answers
D.
The same number
D.
The same number
Answers
Suggested answer: D

Following process modifications, the Null Hypothesis states that no improvement to the process has occurred. If we discover the Null Hypothesis Test was rejected when it was false that would be a(n) ________________________.

A.
Alpha Error
A.
Alpha Error
Answers
B.
Type I Error
B.
Type I Error
Answers
C.
Type II Error
C.
Type II Error
Answers
D.
Type III Error
D.
Type III Error
Answers
Suggested answer: C

A statistical test or Hypothesis Test is performed to reject or fail to reject a stated hypothesis and it converts the Practical Problem into a Statistical Problem.

A.
True
A.
True
Answers
B.
False
B.
False
Answers
Suggested answer: A

The class score distribution of schools in a metropolitan area is shown here along with an analysis output. Comment on the statistical significance between the Means of the two distributions. Select the most appropriate statement.

A.
The two class Means are statistically different from each other
A.
The two class Means are statistically different from each other
Answers
B.
The two class Means statistically not different from each other
B.
The two class Means statistically not different from each other
Answers
C.
Inadequate information on class Means to make any statistical conclusions
C.
Inadequate information on class Means to make any statistical conclusions
Answers
D.
A visual comparison shows that class Means are not statistically different
D.
A visual comparison shows that class Means are not statistically different
Answers
E.
A visual comparison shows that class Means are statistically different
E.
A visual comparison shows that class Means are statistically different
Answers
Suggested answer: A

A ___________ is used primarily to track the stability of the average value of a metric of interest.

A.
NP Chart
A.
NP Chart
Answers
B.
Xbar-R Chart
B.
Xbar-R Chart
Answers
C.
I-MR Chart
C.
I-MR Chart
Answers
D.
C Chart
D.
C Chart
Answers
Suggested answer: B

For her injection molding project a Belt needed to track the percentage of defectives of a particular sample set so she used a ___________ to display the data?

A.
Individual Chart
A.
Individual Chart
Answers
B.
C Chart
B.
C Chart
Answers
C.
Xbar Chart
C.
Xbar Chart
Answers
D.
P Chart
D.
P Chart
Answers
Suggested answer: D
Total 369 questions
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