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NEW QUESTION 103
This QFD matrix was used in the design process for a ball point pen. What symbol is appropriate for the square labeled 7?
Answer:
NEW QUESTION 104
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 $2,800 in order to stay within budget. Using a sample of 55 first article components, a Mean of the new product upgrade price of $2,240 and a Standard Deviation of $120 was estimated. Based on the data provided, the Z value for the data assuming a Normal Distribution is?
- A. 8.28
- B. 2.33
- C. 6.48
- D. 4.67
Answer: D
NEW QUESTION 105
Which Experimental Design typically is most associated with the fewest number of input variables or factors in the design?
- A. Fractional Factorial design
- B. Full Factorial design
- C. Response Surface Design
- D. Simple Linear Regression
Answer: C
NEW QUESTION 106
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.
- A. Inadequate information on class Means to make any statistical conclusions
- B. The two class Means statistically not different from each other
- C. The two class Means are statistically different from each other
- D. A visual comparison shows that class Means are statistically different
- E. A visual comparison shows that class Means are not statistically different
Answer: C
NEW QUESTION 107
Choose those characteristics of a Simple Linear Regression (SLR) Analysis that are applicable. (Note:
There are 3 correct answers).
- A. SLR can help quantify the significance of variation in X that influences the variation in Y via a mathematical equation
- B. General Regression Analysis deals only with Continuous Data
- C. Non-linear Regressions can explain curvature when with more statistical confidence than Linear Regressions
- D. A Correlation does not explain causation but a Regression Analysis with a statistically valid mathematical equation does explain causation
- E. The Correlation Coefficient is always greater than the Regression Coefficient in a SLR
Answer: A,D,E
NEW QUESTION 108
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. This design does not have enough experimental runs to conclude anything as evidenced by the lack of P- values in the MINITABTM output
- C. 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
- D. Constant, Adv and Bev are the only factors statistically affecting the response rate with 95% confidence or more
- E. If the Adv is increased from the low level to the high level, the response rate increases
Answer: C
NEW QUESTION 109
Review the analysis shown here.
Which statements are true about the process? (Note: There are 3 correct answers).
- A. The process follows a non-normal distribution with the given data.
- B. This process is described with the Weibull Distribution.
- C. The initial focus for this project would be to determine why the thicknesses are so frequently too low.
- D. The process has more problems with Variation than Centering.
- E. The majority of the process is closer to the lower specification limit.
Answer: A,D,E
NEW QUESTION 110
The most appropriate type of FMEA for a product before going into manufacturing is a ___________ FMEA.
- A. Test Process
- B. Design
- C. Survey
- D. Consumer
Answer: B
NEW QUESTION 111
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.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION 112
If an experiment has 5 factors and no replicates for a 2-level Experimental Design with 16 experimental runs which statement(s) are correct? (Note: There are 3 correct answers).
- A. The Main Effects are confounded with only 4-way interactions
- B. The Main Effects for the 5 factors are not aliased or confounded but the 2-way interactions are confounded with the 3-way interactions
- C. The Experimental Design is half-fractional
- D. The experiment has 8 experimental runs with the first factor at the high level
- E. The experiment has only 4 experimental runs with the 5th factor at the high level
Answer: A,C,D
NEW QUESTION 113
The diameters of 50 randomly selected shafts have a mean of 1.525 and standard deviation of
0.006. Find the 95% lower confidence limit for the population mean.
- A. 1.523
- B. 1.526
- C. 1.525
- D. 1.524
- E. 1.527
Answer: A
Explanation:
n = 50
mean = 1.525 Standard deviation = 0.006 95% confidence interval = 1.96
-z/2 /n 1.525-1.96(0.006/50) 1.525-0.00166=1.523
NEW QUESTION 114
To be an effective Lean Six Sigma practitioner one must understand the difference between
___________________________.
- A. F-test and test of variances of 2 samples
- B. Practical and Statistical significance
- C. Nonparametric tests and tests of Non-normal Data
- D. ANOVA and the Analysis of Variance
Answer: B
NEW QUESTION 115
Find the value of (9) in the ANOVA table. Assume:
- A. 0.525
- B. 16.4
- C. 0.10<P<1
- D. 1.48
- E. 2.82
- F. 35.4
- G. 0.01<P<0.05
- H. 18.6
- I. 12.2
- J. 0.005<P<0.01
- K. 0.05<P<0.10
- L. 0<P<0.005
- M. 23.2
- N. 4.54
- O. 3.2
Answer: I
Explanation:
Topic 2, Volume B
NEW QUESTION 116
The following is a set of individual measurements:
3 5 4 5 6 3 4 3 2 4 5 6 5 7 6 4 5 5 8 7 6 6 7 7 4
Find the control limits for the individuals chart.
- A. .7 and 11.2
- B. 1.6 and 8.6
- C. 2.7 and 7.5
- D. none of the above
Answer: D
NEW QUESTION 117
An approach that would remove the contradiction identified in x.28 would be:
- A. find an inexpensive material that will provide an excellent finish with one coat.
- B. none of the above
- C. all of the above
- D. find an inexpensive way to apply multiple coats
Answer: C
NEW QUESTION 118
During the ______________ phase of 5S is when we might implement a Red Tag program.
- A. Standardizing
- B. Sorting
- C. Straightening
- D. Shining
Answer: B
NEW QUESTION 119
A set of data from a process has 8 readings per sample and 50 samples. The mean of the 50 sample means is 12.62. The mean of the 50 ranges is 0.18.A customer requires that SPC charts be done on their forms which have spaces for only 5 readings per sample. What should be the UCL and LCL for tbe new averages chart?
- A. 12.53 and 12.71
- B. 11.61 and 13.63
- C. none of the above
- D. 12.58 and 12.66
Answer: A
NEW QUESTION 120
A principle disadvantage of fractional factorial experimental designs is:
- A. reduced cost
- B. confounding of effects
- C. improved accuracy
- D. reduced probability of type II errors
- E. higher confidence level
Answer: B
NEW QUESTION 121
A valid Multiple Linear Regression (MLR) is characterized by all of these except?
- A. The Residuals from MLR analysis have to be Normally Distributed
- B. MLR is conducted based on a deliberate form of experimentation
- C. It is not possible to evaluate interactions in a MLR analysis
- D. The X's (inputs) are assumed to be independent of each other
- E. It is an assumption that the X's (inputs) are not correlated to each other
Answer: B
NEW QUESTION 122
Accuracy can be assessed in several ways and a fairly accurate means of measurement is visual comparison.
- A. False
- B. True
Answer: A
NEW QUESTION 123
Find the value of (2) in the ANOVA table. Assume:
- A. 0.525
- B. 16.4
- C. 0.10<P<1
- D. 1.48
- E. 12.2
- F. 35.4
- G. 0.01<P<0.05
- H. 2.82
- I. 18.6
- J. 0.005<P<0.01
- K. 0.05<P<0.10
- L. 0<P<0.005
- M. 23.2
- N. 4.54
- O. 3.2
Answer: H
NEW QUESTION 124
Which item(s) listed would impact the Process Capability for a process with a continuous output? (Note:
There are 4 correct answers).
- A. Process Standard Deviation
- B. Seasonal variation in process
- C. Shape of process data distribution (e.g. Normal Distribution)
- D. Process Technology
- E. Presence of Special Causes or solely Common Causes
Answer: A,B,C,E
NEW QUESTION 125
An advantage of using standard deviation rather than range for measuring dispersion of a large sample is that:
- A. standard deviation has a simpler formula
- B. range calculations are not normally distributed
- C. standard deviation uses information from each measurement
- D. calculators have a standard deviation key but not a range key
Answer: C
NEW QUESTION 126
Relative to a Design of Experiments the term ________________ refers to variables being a linear combination of each other.
- A. Mirror Image
- B. Directly Parallel
- C. Collinear
- D. None of the above
Answer: C
NEW QUESTION 127
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