NEW QUESTION 1

If the probability that event A occurs is .51, the probability that event B occurs is .64 and events A and B are statistically independent then:

• A. A and B are mutually exclusive
• B. the probability that both A and B occur is 0.3264
• C. A and B can’t both occur
• D. the probability that A occurs is 1-(probability that B occurs)
• E. A and B have different standard deviations

Answer: B

NEW QUESTION 2

= 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 3

One of the approaches used by TRIZ is referred to as “removing the contradiction.” A project team is asked to determine how many coats of paint should be applied to a panel. In this case the contradiction is:

• A. additional coats cost money but give a better finish
• B. the customer wants an excellent finish at a low cost
• C. the company wants to reduce costs but have an excellent finish

Answer: A

NEW QUESTION 4

SCENARIO A Six Sigma team is measuring the moisture content of corn starch as it leaves the conveyer belt of a dryer. They collect one sample four cups of starch at times indicated in the chart at fixed locations labeled A, B, C, and D across the end of the belt. See the diagram below.

After some more work on the dryer, additional data are collected which when plotted looks like this:

Which type of variation dominates?

• A. within sample
• B. sample to sample within the hour
• C. hour to hour
• D. none of the above

Answer: C

NEW QUESTION 5

Quality Function Deployment is a tool to aid in:

• A. analyzing non-paired data
• B. determining if quality procedures being followed on the shop floor
• C. ascertaining which processes are functioning correctly
• D. linking customer requirements to product features
• E. all of the above
• F. none of the above

Answer: D

NEW QUESTION 6

SWOT is an acronym for:

• A. strengths, weaknesses, opportunities, threats
• B. statistics without tables
• C. sensory Weibull ordinal tools
• D. success wields optimal teams
• E. none of the above

Answer: A

NEW QUESTION 7

A principle advantage of fractional factorial experimental designs is:

• A. reduced cost
• B. improved accuracy
• C. increased confounding
• D. higher confidence level
• E. reduced probability of type II errors

Answer: A

NEW QUESTION 8

(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 9

Work performed by the payroll department is considered value added activity.

• A. true
• B. false

Answer: B

NEW QUESTION 10

A team has been asked to reduce the occurrence of a particular defect. They begin by brainstorming all possible causes using a:

• A. matrix diagram
• B. cause and effect diagram
• C. process decision program chart
• D. affinity diagram
• E. activity network diagram
• F. tree diagram
• G. prioritization matrix
• H. matrix diagram
• I. interrelationship digraph

Answer: B

NEW QUESTION 11

This will be a:

• A. left-tail test
• B. right-tail test
• C. two-tail test

Answer: B

NEW QUESTION 12

= 0.05 The average weight of castings produced at the Nebraska foundry is 3.7 lbs. A new supplier from Kansas has submitted a batch of castings known to have normally distributed weights. A random sample of 10 has an average weight of 3.6 lbs. and standard deviation 0.06 lbs. Do these data indicate that the Kansas foundry produce lighter castings on average?

• A. yes
• B. no

Answer: A

NEW QUESTION 13

The preferred method for determining statistically whether factor A or B is significant requires what additional information?

• A. value of noise factors
• B. values of responses in replicate runs
• C. number of repetitions
• D. ambient conditions during the experiment
• E. blocking pattern

Answer: B

NEW QUESTION 14

A random sample is selected from a population of measurements. The mean of the sample is not equal to the mean of the population. This is due to:

• A. Type I error
• B. Type II error
• C. sampling error
• D. the population is not normal
• E. measurements were not exact

Answer: C

NEW QUESTION 15

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 16

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 mean of approximately:

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

Answer: A

NEW QUESTION 17

A population is bimodal with a variance of 5.77. One hundred samples of size 30 are randomly collected and the 100 sample means are calculated. The standard deviation of these sample means is approximately:

• A. 5.77
• B. 2.40
• C. 1.05
• D. 0.44
• E. 0.19

Answer: E

NEW QUESTION 18

This QFD matrix was used in the design process for a ball point pen. What symbol is appropriate for the square labeled 6?

A.
B.
C.

• A. none of the above

Answer: B

NEW QUESTION 19

There are 14 different defects that can occur on a completed time card. The payroll department collects 328 cards and finds a total of 87 defects. DPMO =:

• A. 87 ÷ 328
• B. 87 ÷ (328 × 14)
• C. 14 ÷ 87
• D. 87 ÷ 14 × 1,000,000
• E. 328 ÷ 87
• F. 87 × 1,000,000 ÷ (14 × 328)

Answer: F

NEW QUESTION 20

P(A) = .42, P(B) = .58, P(A&B) = .10 Find P(A or B).

• A. .90
• B. 1.00
• C. .24
• D. none of the above

Answer: A

NEW QUESTION 21

When Tricia empties a box of capacitors she places it at a designated spot on her work table. Sam notices the empty box and brings a full box of capacitors from the stock room. This is an example of:

• A. visual factory
• B. kanban
• C. poka-yoke
• D. standard work
• E. set up time reduction (SMED)

Answer: B

NEW QUESTION 22

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 23

Find the value of (3) 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: E

NEW QUESTION 24

TRIZ is an acronym which refers to:

• A. a set of problem solving tools
• B. an organization of quality professionals
• C. an experiment using transitional results
• D. a Russian general responsible for creative thinking

Answer: A

NEW QUESTION 25

Approximately what percent of the data values are smaller than the mean?

• A. 25%
• B. 50%
• C. 75%
• D. it varies from 0% and 99+% inclusive

Answer: D

NEW QUESTION 26

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 27

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. made a type I error
• B. made a type II error
• C. misunderstood margin of error
• D. confused correlation with causation

Answer: D

NEW QUESTION 28

Intuitively, which factor A or B seems most likely to be significant?

• A. A
• B. B
• C. C
• D. neither
• E. both about equally significant

Answer: A

NEW QUESTION 29

A management team lists nine goals across the top of a rectangle and 15 activity initiatives along the left hand side of the rectangle. If one of the activities strongly supports one of the goals a circle is placed in the box where that activity’s row intersects the goal’s column. If the activity’s support is very strong a “bulls eye” is placed in the box and if the support is weak a triangle is used. This best describes which problem solving tool?

• A. Affinity diagram
• B. Inter-relationship digraph
• C. Tree diagram
• D. Process decision program chart
• E. Matrix diagram
• F. Prioritization matrix
• G. Activity network diagram

Answer: E

NEW QUESTION 30
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