NEW QUESTION 1

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. 12.58 and 12.66
• C. 11.61 and 13.63
• D. none of the above

Answer: A

NEW QUESTION 2

A team wants a technique for determining and displaying priorities based on frequency of various defect types. They should use:

• A. written and diagrammed work instructions
• B. flow charts and process maps
• C. cause and effect diagrams
• D. Pareto chart
• E. relationship matrix

Answer: D

NEW QUESTION 3

A team wants a technique for displaying the connection between various customer needs and various features on a product. They should use:

• A. written and diagrammed work instructions
• B. flow charts and process maps
• C. cause and effect diagrams
• D. Pareto chart
• E. relationship matrix

Answer: E

NEW QUESTION 4

Perform a risk analysis to determine the expected profit or (loss) from a project which has four possible disjoint outcomes: Outcome A shows a profit of $340,000 and has a probability of 0.25 Outcome B shows a profit of $120,000 and has a probability of 0.40 Outcome C shows a loss of $40,000 and has a probability of 0.10 Outcome D shows a profit of $100,000 and has a probability of 0.25

• A. $130,000
• B. $520,000
• C. $154,000
• D. ($168,000)
• E. none of the above

Answer: C

NEW QUESTION 5

This QFD matrix was used in the design process for a ball point pen. What symbol is appropriate for the square labeled 15?

A.
B.
C.

• A. none of the above

Answer: D

NEW QUESTION 6

Causes in a cause and effect diagram often include management, measurement systems, mother nature and the four standard causes:

• A. man, material, methods, machines
• B. man, manufacturing, methods, material
• C. marketing, methods, material, machines
• D. man, material, millennium, machines
• E. none of the above

Answer: A

NEW QUESTION 7

If the probability that an event will occur is 0.83, then the probability that the event will not occur is:

• A. 0.17
• B. 0.07
• C. 0.6889
• D. 1.20
• E. 83%

Answer: A

NEW QUESTION 8

A population of size 1,000,000 has mean 42 and standard deviation 6. Sixty random samples, each of size 15 are selected. According to the Central Limit Theorem the distribution of the sixty sample means has a standard deviation of approximately:

• A. 6
• B. 6/42
• C. 6/15
• D. 6/ 15
• E. none of the above

Answer: D

NEW QUESTION 9

The principle disadvantage of fractional factorial experiments is that:

• A. experimental error is high
• B. robustness is compromised
• C. effects are confounded
• D. measurements are less precise
• E. analysis is more difficult

Answer: C

NEW QUESTION 10

The mean, median and mode of a distribution have the same value. What can be said about the distribution:

• A. it is exponential
• B. it is normal
• C. it is uniform
• D. none of the above

Answer: D

NEW QUESTION 11

According to the Central Limit Theorem:

• A. the median and the mean have the same value in a symmetric distribution
• B. the mode of a normal distribution is also the mean
• C. the mean of an exponential distribution is smaller than the median
• D. the mean, median and mode of a normal distribution all have the same value
• E. none of the above

Answer: E

NEW QUESTION 12

Find Cpk

• A. 2.00
• B. 0.56
• C. 1.33
• D. 0.44

Answer: D

NEW QUESTION 13

A random sample of 2500 printed brochures is found to have a total of three ink splotches. The rate of ink splotches in PPM is:

• A. 1,000,000 ÷ 2500 × 3
• B. 2500 ÷ 1,000,000 × 3
• C. 3 ÷ 2500 × 1,000,000
• D. 3 × 2500 ÷ 1,000,000

Answer: C

NEW QUESTION 14

Proposed Six Sigma projects that are not in some way linked to organizational goals:

• A. will typically be short term
• B. use statistical inference
• C. have a high risk of failure
• D. should not be approved
• E. none of the above

Answer: D

NEW QUESTION 15

If the probability that event A occurs is 0.51, the probability that event B occurs is 0.64 and that probability that both A and B occur is 0.23 then:

• A. events A and B are complementary
• B. events A and B are mutually exclusive
• C. events A and B are supplementary
• D. events A and B are not mutually exclusive
• E. events A and B are statistically independent

Answer: D

NEW QUESTION 16

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 17

A project activity not on the critical path has required 20% longer than the time originally allocated. The project team should:

• A. inform all concerned that the entire project will be delayed by 20%
• B. inform all concerned that the entire project will be delayed but by less than 20%
• C. study the effect this will have on other activities because the project may still be on schedule

Answer: C

NEW QUESTION 18

A process produced 1394 units. During this time 11 defects were detected. The Rolled Throughput Yield ( RTU) is approximately:

• A. 0.992
• B. 7.89
• C. 0.00789
• D. 1.008
• E. all of the above
• F. none of the above

Answer: A

NEW QUESTION 19

The term “expected value” is closest to the term:

• A. median
• B. probabilistic model
• C. mean
• D. Markov value
• E. regressive value

Answer: C

NEW QUESTION 20

= 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 21

Find the value of (2) in the ANOVA table. Assume:

• A. 16.4
• B. 3.2
• C. 18.6
• D. 23.2
• E. 4.54
• F. 12.2
• G. 0.525
• H. 2.82
• I. 1.48
• J. 35.4
• K. 0.10<P<1
• L. 0.05<P<0.10
• M. 0.01<P<0.05
• N. 0.005<P<0.01
• O. 0<P<0.005

Answer: H

NEW QUESTION 22

A medicine with efficacy of .52 is given to five patients. Find the approximate probability that at least one of the patients is cured. (Hint: Use the binomial formula.)

• A. .975
• B. .480
• C. .531
• D. .416
• E. none of the above

Answer: A

NEW QUESTION 23

What percent of population falls below the lower specification limits?

• A. 9.18%
• B. 22.66%
• C. 6.68 %
• D. 1.83%

Answer: A

NEW QUESTION 24

An automatic gaging system is to be installed in a process. The gage will insert data values into a data base from which machine adjustments will be made automatically. A critical factor in specifying the equipment is:

• A. communication link between gage and computer
• B. compatibility of software in the gage and in the computer
• C. adequate manual over-rides
• D. all of the above

Answer: D

NEW QUESTION 25

If DPU = 0.022, the RTU is approximately:

• A. 0.022
• B. 0.078
• C. 0.0022
• D. 0.98
• E. 0.098
• F. 0.0098

Answer: D

NEW QUESTION 26

As opposed to earlier emphases lean manufacturing tends to stress:

• A. making value added activities more efficient
• B. eliminating, simplifying or reducing non-value added activities

Answer: B

NEW QUESTION 27

(Refer to the previous problem) The variance of the five replications for each run is calculated. Most of these variances are approximately equal but two are significantly lower than the others. The experimenters would be especially interested in those two runs if they want to optimize:

• A. dissolution time
• B. interactions
• C. main effects
• D. robustness
• E. degrees of freedom

Answer: D

NEW QUESTION 28

A project that lacks a clear definition of its scope and boundaries runs the risk of:

• A. straying from the intended path
• B. trying to solve unrelated problems
• C. having difficulty in collecting baseline data
• D. suffering morale problems
• E. all the above
• F. none of the above

Answer: E

NEW QUESTION 29
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