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.

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

The main feature(s) that differentiate the Control Chart from the Run Chart are which the following?

A. The presence of a statistically calculated center line and upper and lower limits

B. The Run Chart shows data over time and the Control Chart shows data at one point in time

C. The Run Chart requires more data than the Control Chart

D. The Run Chart is used in the “Measure” Phase while the Control Chart is used in the "Control" Phasex'

Control Charts were developed by Dr. Shewhart to track data over time. To detect Special Cause variation the Control Charts use which of these?

A. Data shift analysis

B. Outlier analysis methods

C. Center Line and Control Limits

D. None of the above

What conclusion is most correct about the Experimental Design shown here with the response in the far right column?

A. No factor has enough statistical confidence greater than 95% to have an impact on the response rate

B. Constant, Adv and Bev are the only factors statistically affecting the response rate with 95% confidence or more

C. If the Adv is increased from the low level to the high level, the response rate increases

D. The response level is statistically concluded to only need the Adv and Bev factors set at the low level to get the largest response rate

E. This design does not have enough experimental runs to conclude anything as evidenced by the lack of P-values in the MINITABTM output

The method of Steepest Ascent guides you toward a target inside the original inference space.

A. True

B. False

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

"A calculated time frame that matches customer demand" is a definition of what Lean Principles term?

A. Value Stream

B. Kaizen event

C. Takt time

D. Kanban

An ANOVA used across many dependent variables could increase the Beta risk.

A. True

B. False

With Measurement System Analysis we are concerned with two issues that impact the potential variability of the data. They are _____________________.

A. Precision and Accuracy

B. Reliability and Repeatability

C. Error and Spread

D. Sensitivity and Deflection