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If item A is more likely to be detected than item B which will have the highest Detection value?
The purpose of using control charts is to
The primary factor in the successful implementation of six sigma is to have
A store uses signs at specific points in its storage area to indicate when products need to be ordered. This practice is an example of
In an experimental design context, replication refers to:
At a particular time, three components are in series and each has a reliability of 0.98. What is the reliability of the system?
The process of having a six sigma team develop a problem statement helps the team to?
Which of the following most influences consumer perception of quality?
A six sigma project to reduce billing statement expenses has shown the need to hire two additional mailroom clerks. Based on this information, which of the following metrics should be used to measure the financial benefits of the project?
A company’s accounts payable department is trying to reduce the time between receipt and payment of invoices. If the team has just completed a flowchart of the process and identified the critical steps, which of the following tools should be used next?
The statistics that summarize a population are referred to as?
According to Deming, which of the following is NOT a key element of quality leadership?
This experimental design is:
Which of the following tools is used to identify potential events and contingencies for an implementation plan?
A full factorial experiment has three factors. Each factor has three levels. The number of test combinations or runs is:
A six sigma team has been formed to improve an existing process. Which of the following tools should the team use first to gain a clear understanding of the current process?
Nominal Group Technique is used to:
One characteristic of attributes data is that it is always
A team wants to make a schedule for a project showing which tasks must be done sequentially and which may be done simultaneously. Which tool is most appropriate?
A process shows the following number of defects. Each sample size for this process is 85. 3 8 2 7 7 6 8 8 9 5 Find the control limits.
What is the percentage of perfection in a process operating at +/- 3 Sigma level?
In measurement system analysis, which of the following pairs of data measures is used to determine total variance?
The time for a fail-safe device to trip is thought to be a discrete uniform distribution from 1 to 5 seconds. To test this hypothesis, 100 tests are conducted with results as shown below.
On the basis of these data, what are the chi square (χ2) value and the number of degrees of freedom (df)?
x2df
A Black Belt is going to monitor the number of defects on different size samples. Which of the following control charts would be most appropriate?
Find the average difference dbar.
Customers make a purchase decision based on a number of factors. In Lean Six Sigma we refer to these decision points as CTQ's which stands for __________.
TRIZ is an acronym which refers to:
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:
Intuitively, which factor A or B seems most likely to be significant?
P(A) = .42, P(B) = .58, P(A&B) = .10. Find P(A or B).
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:
The primary metric for a project is reduced cost for process A. Baseline data might include:
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 team wants a technique for improving consistency of assembly operations. They should use:
(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:
This experimental design is an example of:
Find the value of (7) in the ANOVA table. Assume:
A quality leader who did extensive work with Japanese industry is:
The quality leader responsible for the term Total Quality Management (TQM):
Causes in a cause and effect diagram often include management, measurement systems, mother nature and the four standard causes:
The primary metric for a project is reduced cost for process A .A consequential metric could be:
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 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.
Find the value of (5) in the ANOVA table. Assume:
SWOT is an acronym for:
The Central Limit Theorem states that the distribution of sample means approximates a normal distribution if:
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.
The support for an important quality initiative was lacking in congress until Reagan’s Secretary of Commerce was killed in a horseback riding accident in 1987. That initiative was:
The median is a better choice than the mean for a measure of central tendency if the data:
The word “champion” in the context of Six Sigma projects refers to:
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. DPU =
George is an employee of Black, Inc. John is George’s internal customer. Which statement is true?
Calculate the interaction effect.
