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NEW QUESTION # 210
Review the analysis shown here.
Which statements are true about the process? (Note: There are 3 correct answers).
- A. This process is described with the Weibull Distribution.
- B. The process follows a non-normal distribution with the given data.
- C. The process has more problems with Variation than Centering.
- D. The majority of the process is closer to the lower specification limit.
- E. The initial focus for this project would be to determine why the thicknesses are so frequently too low.
Answer: B,C,D
NEW QUESTION # 211
Which statement(s) are correct about the Factorial Plot shown here? (Note: There are 3 correct answers).
- A. The coded coefficient is lower for cutting speed than the cutting angle related to the output of tool age
- B. These plots are an example of interaction plots
- C. These plots prove a statistically significance factor with 95% confidence
- D. When the cutting speed increased from low to high level, the tool age increases
- E. The coefficient of the metal hardness is positively related to the output of tool age
Answer: A,D,E
NEW QUESTION # 212
In a series of linked processes and associated feedback loops the product or service flows ________ and the information flows ________.
- A. sooner, later
- B. to the customer, from the supplier
- C. none of the above
- D. evenly, digitally
- E. downstream, upstream
- F. rapidly, slower
Answer: E
NEW QUESTION # 213
The following data were collected on the diameters of turned shafts: 2.506 2.508 2.505 2.505.
These values are:
I. Attribute data
II. Discrete data
III. Variables data
IV. Continuous data
A stable, normally distributed process with specification 3.50 .03 has = = .016.
What percent of the production violates specification?
- A. I only
- B. II only
- C. I and IV
- D. III and IV
- E. I and II
Answer: D
NEW QUESTION # 214
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.
- A. Defect Analysis Plan
- B. Chain-of-Command
- C. Response Plan
- D. Call List
Answer: C
Explanation:
Explanation/Reference:
NEW QUESTION # 215
If the production is for higher volume and monitoring and the Mean and variability is to be monitored for four machines producing product and the characteristic to be monitored is Variable Data, which SPC Chart is best to be selected?
- A. Individual-MR Chart
- B. NP Chart
- C. CUSUM Chart
- D. Xbar-R Chart
Answer: D
NEW QUESTION # 216
Time is always the metric on the horizontal scale of a(n) ___________ Chart.
- A. Pareto
- B. Xbar
- C. Multi-Vari
- D. NP
Answer: C
NEW QUESTION # 217
The temperature in a storage location is logged once every 30 minutes. The control chart that is appropriate for displaying these values is:
- A. np
- B. median
- C. u
- D. x-bar and R
- E. c
- F. p
- G. individual and moving range
Answer: G
NEW QUESTION # 218
In a series of linked processes and associated feedback loops the product or service flows
________ and the information flows ________.
- A. sooner, later
- B. to the customer, from the supplier
- C. none of the above
- D. evenly, digitally
- E. downstream, upstream
- F. rapidly, slower
Answer: E
NEW QUESTION # 219
Which statement(s) are correct about the DOE Factorial plot output here? (Note: There are 3 correct answers).
- A. The design indicated above is a 32 factorial design
- B. Two factors were operated at 3 levels each
- C. The highest tool age was achieved with metal hardness at high level while keeping the cutting speed at the low level
- D. The cutting speed and cutting angle are at the low level for the least tool age achieved
- E. All factors had 2 levels in the experiment
Answer: A,C,E
NEW QUESTION # 220
= 0.05 A sample of size 50 from machine A has a mean of 18.2 and standard deviation 3.1. A sample of size 40 from machine B has mean 17.6 and standard deviation 2.8. Do these data indicate that the population for machine A has a larger mean? Assume the populations are normal.
- A. yes
- B. no
Answer: B
NEW QUESTION # 221
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).
- A. Vendor A with a much shorter lead time in delivery
- B. Vendor B with higher lead time, but a process with much narrower Control Limits
- C. Vendor B as the Control Limits are much narrower than Vendor A
- D. Vendor B as it has a better consistency (lower variance) on lead time
- E. Vendor B as Vendor A shows a situation out of control as shown in red
Answer: B,C,D,E
Explanation:
Explanation
NEW QUESTION # 222
Since Normality is required if we intend to use the data collected as a predictive tool. To test for Normality of data we must determine if the P-value is ___________.
- A. Greater than 0.5
- B. Equal to 0.05
- C. Greater than 0.05
- D. Less than 0.05
Answer: C
NEW QUESTION # 223
The most appropriate type of FMEA for a product before going into manufacturing is a ___________ FMEA.
- A. Test Process
- B. Consumer
- C. Survey
- D. Design
Answer: D
NEW QUESTION # 224
An engineer wants to try two hardening ovens to see whether they have different hardness scores. She cuts 8 pieces of bar stock in half, putting half of each in oven A and the other half in oven B.
The following data are collected: Do the data indicate that the ovens have different average scores? Assume differences are normally distributed.
- A. yes
- B. no
Answer: B
NEW QUESTION # 225
A newspaper article describes a high positive correlation between obesity and orange juice consumption among six-year-olds. Parents who restrict the use of orange juice for their children have:
- A. confused correlation with causation
- B. made a type II error
- C. made a type I error
- D. misunderstood margin of error
Answer: A
NEW QUESTION # 226
Common and ______________ Cause Variation are the focus of Statistical Process Control.
- A. Ordinary
- B. Special
- C. Selective
- D. Uncommon
Answer: B
NEW QUESTION # 227
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. The X's (inputs) are assumed to be independent of each other
- C. It is an assumption that the X's (inputs) are not correlated to each other
- D. MLR is conducted based on a deliberate form of experimentation
Answer: D
NEW QUESTION # 228
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).
- A. Less powerful than the traditional "t-test"
- B. Focuses on equality of the Median of the two populations
- C. Testing the identity of two populations
- D. More widely applicable than the traditional "t-test"
Answer: B,D
NEW QUESTION # 229
Which statement(s) are most correct for the Regression Analysis shown here?
- A. This Multiple Linear Regression has four statistically significant independent variables
- B. The Regression explains 50.8% of the process variation
- C. The air-fuel ratio explains most of the TurbineOutput variation
- D. This Simple Linear Regression explains 98+% of the process variation
Answer: C
NEW QUESTION # 230
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?
- A. 0
- B. 1
- C. 2
- D. 3
- E. 4
Answer: B
Explanation:
Explanation
NEW QUESTION # 231
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 $3,600 in order to stay within budget. Using a sample of 42 first article components, a Mean of the new product upgrade price of
$3,200 and a Standard Deviation of $180 was estimated. Based on the data provided, the Z value for the data assuming a Normal Distribution is?
- A. 4.30
- B. 5.42
- C. 2.22
- D. 1.11
Answer: C
NEW QUESTION # 232
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. Select the answer that best states the Practical Problem.
- A. If the average cost per component is greater than $4,200, then the purchase manager will introduce the new product upgrade with new components.
- B. Only if the average cost per product upgrade is $4,060, will the purchase manager introduce new product upgrades with new components.
- C. If the average cost per new product upgrade is less than $180, then the purchase manager will introduce the new product upgrade with new components.
- D. If the average cost per component is $4,200 or less, then the purchase manager will introduce the new product upgrade with new components.
Answer: B
NEW QUESTION # 233
If the value of the test statistic had been 7.03, what action should have been taken regarding the null hypothesis?
- A. rejected
- B. accepted
- C. not rejected
- D. none of the above
Answer: A
NEW QUESTION # 234
Which of these graphical presentations displays the values of each individual reading?
- A. Histogram
- B. X-Y Diagram
- C. Box Plot
- D. Stem and Leaf Plot
Answer: D
NEW QUESTION # 235
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