Calculate the Rolled Throughput Yield of this process using this data.
Data:unit input: 1215, unit output: 1180, defectsrepaired:184, scrap: 42

A.

80.85%

B.

81.40%

C.

82.23%

D.

84.96%

If a Six Sigma project was to reduce changeover times and the team found the project
success was decreasing over time since changeover times began to creep back up, which
Lean tools should be considered in the Control Phase to reestablish and sustain the project
success?

A.

Improve the lighting to assure adequate visibility

B.

Confirm a Visual Factory exists to assure proper communication of status of machines

C.

Implement Kanbans to assure enough inventory for the process step

D.

Reword the standardized work instructions to use active verbs and not passive phrases

Time is always the metric on the horizontal scale of a(n) ___________ Chart.

A.

Pareto

B.

Xbar

C.

Multi-Vari

D.

NP

The Lean toolbox includes all of the following items except __________.

A.

Poke-Yoke

B.

Standard Operating Procedures

C.

Kaizen

D.

5S the work area

A valid Multiple Linear Regression (MLR) is characterized by all of these except
_______________________.

A.

It is an assumption that the X’s (inputs) are not correlated to each other

B.

The X’s (inputs) are assumed to be independent of each other

C.

MLR is conducted based on a deliberate form of experimentation

D.

The Residuals from MLR analysis have to be Normally Distributed

A Factorial Experiment based on a Level 2 Design with 4 factors would require 16 runs to
fully assess the interactions.

A.

True

B.

False

Upon completion and validation of an improvement to a process a Belt and the Project
Team create a Control Plan that contains which of these?

A.

Standard operating work description of the process change

B.

Description of the monitoring system in place to assure continued compliance

C.

Summary of the targeted critical metrics for process performance measurement

D.

All of the above

The most appropriate type of FMEA for a product before going into manufacturing is a
___________ FMEA.

A.

Design

B.

Consumer

C.

Survey

D.

Test Process

If an experiment has 5 factors and no replicates for a 2-level Experimental Design with 16
experimental runs which statement is incorrect?

A.

The Experimental Design is half-fractional

B.

The Main Effects are confounded with only 4-way interactions

C.

The Main Effects for the 5 factors are not aliased or confounded but the 2-way
interactions are confounded with the 3-way interactions

D.

The experiment has 8 experimental runs with the first factor at the high level

A(n) ______________ is best used to compare a Machine 1 average quality characteristic
to the same quality characteristic of Machine 2.

A.

1-Sample t-test

B.

2-Sample t-test

C.

F test

D.

ANOVA test