LSSMBB Online Practice Questions and Answers
The following is the best description for the purpose of a process map:
A. It is a tool used only after a Six Sigma project is completed
B. It is a tool to convert customer requirements to a set of measurable technical requirements with target values.
C. It is a tool for identifying alternative solutions or concepts
D. It is a tool used to identify all major steps, outputs, and inputs to look for potential causes of a problem.
In a regression analysis, model assumptions are validated using which of the following?
A. The ANOVA table
B. A plot of X versus predicted/fitted Y
C. Chi-square statistic
D. Residual diagnostics
A Black Belt is reviewing a stable, normal process that has a Cp = 3 and a Cpk = 1. In order to achieve a 6 sigma process, what must be done?
A. Reduce variation only
B. Shift the mean only
C. Reduce variation and shift the mean
D. Not enough information given
Which statement(s) are correct about the Regression shown here? (Note: There are 2 correct answers).
A. The dependent variable is the outside temperature
B. The relationship between outside temperature and number of customers per hour is a Linear Regression
C. The dashed lines indicate with 95% confidence where all of the process data should fall between
D. The dashed lines indicate with 95% confidence the estimate for the Quadratic Regression Line
E. The predicted number of customers per hour is close to 5 if the outside temperature is 10 deg C
Cost of Poor Quality (COPQ) can be classified as Visible Costs and Hidden Costs. All these items are Hidden Cost except __________________.
A. Lost Customer Loyalty
B. Returns
C. Time Value of Money
D. Late Delivery
The Mann-Whitney test is a powerful test and is unique to situations from which of the choices listed? (Note: There are 2 correct answers).
A. Testing the identity of two populations
B. Focuses on equality of the Median of the two populations
C. Less powerful than the traditional "t-test"
D. More widely applicable than the traditional "t-test"
Appropriate measures means that measurements are ______________.
A. Representative
B. Sufficient
C. Contextual
D. Relevant
E. All of these answers are correct
What aspects of Measurement Systems Analysis (MSA) studies are applicable when the process used to measure does not damage the part?
A. Destructive variable gage RandR and Crossed Study
B. Destructive variable gage RandR and Nested Study
C. Nondestructive variable gage RandR and Crossed Study
D. Nondestructive variable gage RandR and Nested Study
The reported Cpk for a process with an average of 98 units, a spread of 16 units and upper and lower specification limits of 115 and 90 units would be?
A. 0.5
B. 0.75
C. 1.00
D. 1.25
When variation is removed from the output of a process then the process customer can have more confidence in the experience that results from the process.
A. True
B. False