Question 1

Assessing process proportion as opposed to evaluating a process with respect to a set target can be done using which of these?

Question 2

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.

Question 3

A Lean Six Sigma project is attempting to reduce inventory days. The Process Capability will be monitored as part of the Control Phase to track the sustainability of the improvement.

Which distribution type is best used for performing the Capability Analysis?

Question 4

A Belt working in a supply chain environment has to make a decision to change suppliers of critical raw materials for a new product upgrade. The purchasing manager is depending on the Belt’s effort requiring that the average cost of an internal critical raw material component be less than or equal to $4,200 in order to stay within budget. Using a sample of 35 first article components, a Mean of the new product upgrade price of $4,060, and a Standard Deviation of $98 was estimated. The Alternative Hypothesis in the above example is?

Question 5

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) ________________________.

Question 6

A Belt working in a supply chain environment has to make a decision to change suppliers of critical raw materials for a new product upgrade. The purchasing manager is depending on the Belt’s effort requiring that the average cost of an internal critical raw material component be less than or equal to $4,200 in order to stay within budget. Using a sample of 35 first article components, a Mean of the new product upgrade price of $4,060, and a Standard Deviation of $98 was estimated. In order to increase the Long Term Z value to 4, what is the maximum long term variation in pricing the Belt can accept for his upgraded critical raw material component?

Question 7

Fractional Factorial designs are used to reduce the time and cost of experiments because the ____________ has been lowered.

Question 8

The Control Limits width varies if the sample size varies for which type of chart?

Question 9

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.

Question 10

What dollar amount of savings would a project show if it reduced your outstanding Accounts Receivable by $0.9 million dollars to $3.5 million total and your organization’s marginal cost of capital was 5.7%?

Question 11

When a Belt implements an improvement that is automated thus requiring no particular understanding for use he has applied which Lean tool?

Question 12

Contingency Tables are used to test for association, or dependency, between two or more classifications.

Question 13

A Belt rearranged the location of the parts inventory for a rework station locating the most often used parts to be within hand reach of the repair person. This rearrangement resulted in quicker repair times by eliminating one of seven major elements of waste which is the Waste of __________.

Question 14

Which of these are examples of business metrics or Key Performance Indicators commonly referred to as KPI’s?

Question 15

When we compare short-term and long-term Capability which of these is true?

Question 16

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

Question 17

Following the completion of a LSS project the Belt not only creates a Control Plan he also develops a _____________ so those involved in the process know what to do when the critical metrics move out of spec.

Question 18

If in an experiment all possible variable pairs sum to zero the design is Orthogonal.

Question 19

Question 20

Sally and Sara sell flower pots at their garage sale. Sally motivates Sara mentioning that they will sell a minimum of 15 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 13.6 pots per day were sold with a Standard Deviation of 0.7 pots. The statistical Degrees of Freedom for this example are?

Question 21

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) _______________.

Question 22

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

Question 23

Which statements are correct about the advanced Capability Analysis shown here?

(Note: There are 3 correct answers).

Question 24

To be an effective Lean Six Sigma practitioner one must understand the difference between ___________________________.

Question 25

Appropriate measures means that measurements are ______________.

Question 26

The Lean toolbox includes all of these items except ________________.

Question 27

When conducting a Hypothesis Test using Continuous Data the proper sample size is influenced by the extent to which we need to assess a Difference to be detected and the inherent variation in the process.

Question 28

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

Question 29

Calculate the Rolled Throughput Yield of this process using this data.

DatA. unit input: 1450, unit output: 1390, defects repaireD. 320, scrap: 60

Question 30

Which of these graphs demonstrates conditions which would be sufficient to enable OCAP for the process?

Question 31

A valuable tool to use during the Measure Phase to show material and information flow throughout an entire process is the ______________ .

Question 32

Each of the items listed would impact the Process Capability for a process with a continuous output except ___________________.

Question 33

Accuracy can be assessed in several ways and a fairly accurate means of measurement is visual comparison.

Question 34

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.

Question 35

The calculation of Column Total times Row Total divided by Grand Total yields expected values from what type of chart?

Question 36

How many experimental runs exist in a Full Factorial and fully randomized design for 4 factors with 2 replicates for the Corner Points and no Center Points? The factors in the experiment are only at 2-levels.

Question 37

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).

Question 38

Question 39

A Full Factorial experiment using a 2 level 4 factor approach has been proposed to test the viability of an extrusion machine experiment. How many treatment combinations will this approach involve?

Question 40

The Japanese born function of a Kaizen event utilizes a specific, step-by-step approach meant to bring about major changes to a process.

Question 41

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

Question 42

The primary objective in removal of waste is to improve the Order Production Cycle where the time from _________________ to the time of receipt of payment is compressed.

Question 43

SPC Charts are used extensively in different business and decision-making environments. In this example a vendor is being selected based on speed of delivery. Which of the conclusions would help you pick a vendor for your needs regarding lead-time of delivery from your vendors? (Note: There are 4 correct answers).

Question 44

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

Question 45

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