LSSMBB Online Practice Questions and Answers

If you have a gauge study with a % RandR of 25% what should you do?

A. Pull the tool from production.

B. This is fine-go ahead.

C. This is not acceptable for critical measurements, you should look into improvements in the measurement process.

D. This is only an issue if you fail calibration.

What type of knowledge is gained by doing an MSA?

A. Determine the size of the measurement variability

B. Determine if the measurement system is stable over time

C. Determine if the measurement system is capable of making the required measurements

D. All of the above

Which of the following statements is true regarding correlation and simple regression?

A. A positive correlation is more significant than a negative correlation

B. R2 = the amount of variance explained by the regression model

C. A statistically significant correlation confirms a causal relationship between the X and Y variables

D. They are the best statistical methods when you have discrete X and Y variables

Your team has done a SOV study and produced the following Multi-Van chart. What is the largest source of variation?

A. Time to Time

B. Within Unit

C. Unit to Unit

D. None of the above

Which statement(s) are incorrect for the Regression Analysis shown here? (Note: There are 2 correct answers).

A. The air-fuel ratio explains most of the TurbineOutput variation

B. The Regression explains over 98% of the process variation

C. This Multiple Linear Regression has three statistically significant independent variables

D. If the air-fuel ratio increases by 1, the TurbineOutput more than triples

E. The SteamExitTemp explains the most variation of the TurbineOutput

Sally and Sara sell flower pots at their garage sale. Martha motivates Rose mentioning that they will sell a minimum of 16 pots per day if the outside temperature exceeds 60o F. From a sample, whose population is assumed to follow a Normal Distribution, taken for 30 days at 60 degrees or more an average of 15.2 pots per day were sold with a Standard Deviation of 0.6 pots. What is the Z value for this sales process?

A. 0.67

B. 1.13

C. 1.33

D. 2.66

The distance between the Mean of a data set and the Point of Inflection on a Normal curve is called the _______________.

A. Curve Spread

B. Standard Deviation

C. Numerical Average

D. Data Breadth

A Belt has determined that the inventory of repair parts at a rework station can be reduced by 45%. According to Cost of Poor Quality (COPQ) definitions inventory reduction would be considered _______________.

A. Soft Savings

B. COPQ efficiency

C. Median Savings

D. Hard Savings

As a means of measuring the effects on other areas of a process as a result of changes in the primary metric we also define and track ________________.

A. Parallel process metrics

B. Secondary metrics

C. Tertiary metrics

D. Industry standards

A Process Map is created in order that a Belt can __________________.

A. Follow the product to the end

B. Get the line people's names correct

C. Capture all the activities comprising the process

D. Manage the input inventory delivery schedule