ASQ CSSBB Free Practice Questions

NEW QUESTION 1

(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 2

The null hypothsis should be:

• A. rejected
• B. not rejected
• C. accepted

Answer: A

NEW QUESTION 3

Data are collected in xy pairs and a scatter diagram shows the points are grouped very close to a straight line that tips down on its right hand end. A reasonable value for the coefficient of correlation is:

• A. .8
• B. –.9
• C. 1
• D. 1.3
• E. –1.8

Answer: C

NEW QUESTION 4

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 5

Calculate the interaction effect

• A. 1.5
• B. 205
• C. –5
• D. 17
• E. –17

Answer: C

NEW QUESTION 6

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 7

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 8


This table displays the inventory of fasteners in a storage cabinet. An item is selected at random from the fastener cabinet. Find the approximate probability it is larger than 1/2.

• A. .35
• B. .65
• C. .1106
• D. .47
• E. none of the above

Answer: B

NEW QUESTION 9

Calculate the estimated variance of the population from which the following values have been randomly selected: 2.8 2.7 2.6 2.9 2.8 2.8 2.8:

• A. .095
• B. .009
• C. .088
• D. .008

Answer: A

Explanation:

The variance formula will be used for calculating the estimated variance of the given data. The formula is:
N = 7

= 2.77
(x-
)2

NEW QUESTION 10

The word “champion” in the context of Six Sigma projects refers to:

• A. the team that has had the most impact on the bottom line.
• B. the person who has coordinated teams most effectively
• C. the individual who has outpaced all others in six sigma knowledge
• D. none of the above

Answer: D

NEW QUESTION 11

In a resolution III fractional factorial experimental design, main effects are confounded with:

• A. one factor interactions
• B. two factor and higher interactions
• C. three factor and higher interactions
• D. no other effects

Answer: B

NEW QUESTION 12


A control chart will be used to monitor the number of scratches on a product. The following data have been collected: The appropriate control chart to use is:

• A. x-bar and R
• B. median
• C. individual and moving range
• D. p
• E. np
• F. u
• G. c

Answer: F

NEW QUESTION 13

Find the value of (4) 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: K

NEW QUESTION 14

This QFD matrix was used in the design process for a ball point pen. What symbol is appropriate for the square labeled 12?

A.
B.
C.

• A. none of the above

Answer: D

NEW QUESTION 15

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 16

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.

Find the sample linear correlation coefficient and the sample coefficient of determination for the data in problem VI.11.

• A. 0.83, 0.69
• B. 0.49, 0.24
• C. 0.74, 0.55
• D. 0.33, 0.11

Answer: B

NEW QUESTION 17

= 0.05 In problem 1, do the data indicate that the population for machine A has a larger standard deviation?

• A. yes
• B. no

Answer: B

NEW QUESTION 18

The median is a better choice than the mean for a measure of central tendency if the data:

• A. is bimodal
• B. often has outliers
• C. is normally distributed
• D. is exponentially distributed

Answer: B

NEW QUESTION 19

Find the upper control limit for a range chart if n = 4 and the average range is 2.282.

• A. 2.282
• B. 4.564
• C. 5.208
• D. 3.423

Answer: C

Explanation:

The following formula is for calculating upper control limit for a range chart n = 4

= 2.282 x 2.282 = 5.208
Use the following constants (D4) in the computation

NEW QUESTION 20

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 21

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 22

If item A is more likely to be detected than item B which will have the highest Severity value?

• A. item A
• B. item B
• C. cannot be determined

Answer: C

NEW QUESTION 23

A pharmaceutical manufacturer is designing an experiment to test four different capsule ingredients designed to reduce dissolution time. Each ingredient will be tested at 10 milligrams and 40 milligrams. A full factorial design is used with five replications per run. The number of levels, factors and runs is, respectively:

• A. 2, 4, 16
• B. 4, 5, 8
• C. 10, 4, 40
• D. 2, 20, 16

Answer: A

NEW QUESTION 24

An experiment has seven factors with two levels each. The experiment has eight runs. This experimental design is called:

• A. full factorial design
• B. half fractional factorial design
• C. interaction
• D. none of the above

Answer: D

NEW QUESTION 25

The Central Limit Theorem states that the distribution of sample means approximates a
normal distribution if:

• A. the population is normally distributed
• B. the sample is normally distributed
• C. the sample is randomly selected
• D. the sample size is sufficiently large
• E. the means are carefully calculated

Answer: D

NEW QUESTION 26
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