What does the phrase “in control” mean with respect to processes? An in-control process is one...
- What does the phrase “in control” mean with respect to
processes?
- An in-control process is one in which the output falls within the specification limits.
- An in-control process is statistically stable; it is free of assignable or non-random variation
- An in-control process is one in which the process width (i.e., 6σ) is substantially wider than the specification width (i.e., the upper specification limit minus the lower specification limit)
- None of these is correct
Homework Answers
The correct option is B. An in-control process is statistically stable; it is free of assignable or non-random variation as in control processes are under control limits and are stable.
Add Answer to:
What does the phrase “in control” mean with respect to
processes?
An in-control process is one...
Samples of n = 6 items are taken from a manufacturing process at regular intervals. A...
Samples of n = 6 items are taken from a manufacturing process at regular intervals. A normally distributed quality characteristic is measured and ?̅ and S values are calculated for each sample. After 50 subgroups have been analyzed, we have : ∑ ?? ̅50 ?=1 = 1000 and ∑ ?? 50 ?=1 = 75 (a) Compute control limits for the ?̅ and S control charts. (b) Assume that all points on both charts plot within the control limits. What are...
A certain process is under statistical control and has a mean value of 130 and a...
A certain process is under statistical control and has a mean value of 130 and a standard deviation of 8. The specifications for the process are: a. USL (upper specification limit) = 150 b. LSL(lower specification limit) =100 a. Calculate the cp and cpk b. Which of these indices is a better measure of process capability and why? c. Assuminng a normal distribution what percentage of output is expected to fall ourside the specification. Why is it important to know...
Q1(4 marks) fill in the blank: 1 The process is said to be in control state if two conditions are satisfied: a) b) These are two unnatural patterns of variation within data points in a control ch...
Q1(4 marks) fill in the blank: 1 The process is said to be in control state if two conditions are satisfied: a) b) These are two unnatural patterns of variation within data points in a control chart 2. a) b) 03(20 marks) The bottling machine at JUCE company is being evaluated for its capability BottlingAverage Sample machinestandard deivation Sample size 0.1228 The bottles weight specications are set between 15.8 and 16.2 ounces, and the process mean value is 15.9 ounces...
A marathoner is now running his marathons with an average time of 3 hours, and 15...
A marathoner is now running his marathons with an average time of 3 hours, and 15 minutes, and a standard deviation of 15 minute and her times follow a normal distribution. What is the probability of the marathoner running a marathon time of exactly 2 hours and 58 minutes? 0.00 0.05 0.15 0.12 Which of the following would indicate a process has special causes of variation? A point is above the lower control limit and below the upper control limit...
What is a control chart? What are its main features and how is it used? I...
What is a control chart? What are its main features and how is
it used?
I included the definition of a control chart so
there isn't any confusion. Please include an explantion in your own
words.
Control Chart
Assuming production engineers have gotten everything to work
such that the process conforms to specifications (the average of
the process is close to the target value and the variability
[standard deviation] is very small), after that they have to ensure
that the...
Solve Part 2 First Name Last Name Please put your name on this test and every...
Solve Part 2
First Name Last Name Please put your name on this test and every page that you submit. Please answer the questions and solve the problem in the proper order [1, 2, 3...] 20 points each. tely precisely, and completely as possible 1. Explain Deming's Funnel Experiment. What did he use it for? 2. Differentiate between Pareto Chart and Cause-and-Effect Diagram. Which one should be used first? 3. Explain "The Central Limit Theorem." Why is it so important...
1 - Almost all processes, regardless on whether they are goods or services, exhibit some type...
1 - Almost all processes, regardless on whether they are goods or services, exhibit some type of variation in their output. For example, a box of cereal may say that it contains 16 ounces, but in reality, it may be a little bit more, or a little bit less. The machine pouring the cereal into the box may not be adjusted properly, and it may only put 15.8 ounces in each box, on the average. This would be considered an...
The Operations manager at a large widget factory is complaining that since the company has changed...
The Operations manager at a large widget factory is complaining that since the company has changed to a cheaper supplier for one of the raw materials used for widgets, the quality of their widget has changed. In fact, he has one of the final widgets that has a strength testing below their spec. The new operations employee had previously taken 5 samples each week over a 10-week period, and logged the data in the chart below. Calculate upper and lower...
Sample 1|Sample 2 Sample 3 Sample 4 11.91 11.55 11.62 11.62 11.69 11.52 11.59 11.75 11.82 1.90 11...
Sample 1|Sample 2 Sample 3 Sample 4 11.91 11.55 11.62 11.62 11.69 11.52 11.59 11.75 11.82 1.90 11.97 11.64 11.80 11.87 12.03 11.94 12.01 11.92 11.99 12.13 12.09 12.16 11.93 12.21 12.32 12.39 11.93 11.85 11.92 11.7611.83 11.7012.38 11.77 11 12.00 12.07 12.04 11.98 12.05 12.30 12.37 12.18 12.25 11.97 12.17 12.24 11.85 11.92 12.30 12.37 12.15 12.22 12.02 11.36 12.02 11.75 12.05 11.95 12.18 12.14 11.72 12.07 12.05 11.85 11.64 12.16 12.39 11.65 12.11 11.90 12.22 11.56 11.88 11.95...
How many patients an emergency clinic can handle in one day is an example of what?...
How many patients an emergency clinic can handle in one day is an example of what? Inventory Capacity Hurdle Rate Infinite Loading None of the above Bookmark question for later Which of the following process has the highest level of volume? Project Job Shop Batch Process Assembly Line Continuous Flow None of the above Bookmark question for later Which of the following is Step 2 of the three-step proven path to employing the Process Improvement Trio? Apply the theory of...
Q1(4 marks) fill in the blank: 1 The process is said to be in control state if two conditions are satisfied: a) b) These are two unnatural patterns of variation within data points in a control chart 2. a) b) 03(20 marks) The bottling machine at JUCE company is being evaluated for its capability BottlingAverage Sample machinestandard deivation Sample size 0.1228 The bottles weight specications are set between 15.8 and 16.2 ounces, and the process mean value is 15.9 ounces...
What is a control chart? What are its main features and how is
it used?
I included the definition of a control chart so
there isn't any confusion. Please include an explantion in your own
words.
Control Chart
Assuming production engineers have gotten everything to work
such that the process conforms to specifications (the average of
the process is close to the target value and the variability
[standard deviation] is very small), after that they have to ensure
that the...
Solve Part 2
First Name Last Name Please put your name on this test and every page that you submit. Please answer the questions and solve the problem in the proper order [1, 2, 3...] 20 points each. tely precisely, and completely as possible 1. Explain Deming's Funnel Experiment. What did he use it for? 2. Differentiate between Pareto Chart and Cause-and-Effect Diagram. Which one should be used first? 3. Explain "The Central Limit Theorem." Why is it so important...
Sample 1|Sample 2 Sample 3 Sample 4 11.91 11.55 11.62 11.62 11.69 11.52 11.59 11.75 11.82 1.90 11.97 11.64 11.80 11.87 12.03 11.94 12.01 11.92 11.99 12.13 12.09 12.16 11.93 12.21 12.32 12.39 11.93 11.85 11.92 11.7611.83 11.7012.38 11.77 11 12.00 12.07 12.04 11.98 12.05 12.30 12.37 12.18 12.25 11.97 12.17 12.24 11.85 11.92 12.30 12.37 12.15 12.22 12.02 11.36 12.02 11.75 12.05 11.95 12.18 12.14 11.72 12.07 12.05 11.85 11.64 12.16 12.39 11.65 12.11 11.90 12.22 11.56 11.88 11.95...
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