Question Details

(Solved) Question 1 Correct Mark 1.00 out of 1.00 Flag question Question text A sample statistic that falls outside the upper and lower control limits of a


Need explanation on how to solve the following

Q12-16

Q18-22

Q23-27

Question 1
Correct
Mark 1.00 out of 1.00
Flag question Question text
A sample statistic that falls outside the upper and lower control limits of a control limit is an
indication of what?
Select one:
a. assignable variation b. random variation
c. type I error
d. type II error
Check Feedback
Correct Marks for this submission: 1.00/1.00.
Question 2
Incorrect
Mark 0.00 out of 1.00
Flag question Question text
As the amount of quality inspection increases beyond the optimal level, what is not expected to
occur? Select one:
a. Cost of inspection increases
b. Cost of undetected defects decrease c. Total cost of inspection and undetected defects increases
d. Cost of undetected defects increases
Check Feedback
Incorrect Marks for this submission: 0.00/1.00.
Question 3
Correct
Mark 1.00 out of 1.00
Flag question Question text
One reason the amount of inspection required for a high-volume, low-cost item such as pencils is
relatively low is;
Select one:
a. The production processes are usually highly reliable b. Defects are hard to detect
c. Profit margins are too low
d. The level of automation makes inspection difficult
Check Feedback Correct Marks for this submission: 1.00/1.00.
Question 4
Correct
Mark 1.00 out of 1.00
Flag question Question text
Process capability calculations account for the actual level of variability in the process and:
Select one:
a. Upper and lower control limits.
b. The proportion defective in samples.
c. Average sample range. d. Design specifications.
Check Feedback
Correct Marks for this submission: 1.00/1.00.
Question 5
Correct
Mark 1.00 out of 1.00
Flag question Question text The determination of whether the variability of a process output falls within the acceptable range
allowed by the design specifications is called what?
Select one:
a. statistical process control
b. capability analysis c. six sigma quality
d. p-charts
Check Feedback
Correct Marks for this submission: 1.00/1.00.
Question 6
Correct
Mark 1.00 out of 1.00
Flag question Question text
What action might a manager take if it was discovered process variability exceeded design
specifications?
Select one:
a. Redesign the process to reduce variability
b. Use an alternative process capable of meeting design specifications
c. Examine design specifications to see if they could be altered
d. All are possible actions Check Feedback
Correct Marks for this submission: 1.00/1.00.
Question 7
Correct
Mark 1.00 out of 1.00
Flag question Question text
What statement summarizes the focus of the six sigma methodology for managing quality?
Select one:
a. Minimizing process variability b. Experimenting with factors that affect process variation
c. Developing products with narrow design specifications
d. Eliminating random variation from control charts
Check Feedback
Correct Marks for this submission: 1.00/1.00.
Question 8
Correct
Mark 1.00 out of 1.00 Flag question Question text
What type of control chart would be used to monitor the number of defects per unit of output for
a process that manufacturers fibreglass hulls for boats?
Select one:
a. x-bar chart.
b. p- chart.
c. c-chart. d. R chart.
Check Feedback
Correct Marks for this submission: 1.00/1.00.
Question 9
Correct
Mark 1.00 out of 1.00
Flag question Question text
Which of the following is not an accurate statement regarding different phases and approaches to
statistical quality control / improvement?
Select one:
a. Continuous improvement builds quality into the process b. Acceptance sampling is used for inputs and outputs of processes
c. Acceptance sampling is a more progressive than six sigma d. Process control is used to take corrective action during production
Check Feedback
Correct Marks for this submission: 1.00/1.00.
Question 10
Correct
Mark 1.00 out of 1.00
Flag question Question text
Which statement concerning setting up control charts is not true?
Select one:
a. Larger sample sizes n reduce the probability of Type II error
b. Sample statistics that fall inside control limits indicate random variation only
c. Sample statistics outside control limits indicate assignable causes of variation
d. Control limits are set based on design specifications Check Feedback
Correct Marks for this submission: 1.00/1.00.
Question 11 Correct
Mark 1.00 out of 1.00
Flag question Question text
A control chart used to monitor the process mean is the:
Select one:
a. p-chart
b. R-chart
c. Gantt chart
d. x-bar chart e. c-chart
Check Feedback
Correct Marks for this submission: 1.00/1.00.
Question 12
Correct
Mark 1.00 out of 1.00
Flag question Question text
A design engineer wants to construct a sample mean chart for controlling the service life of one
of the types of light bulbs his company produces. He knows from numerous previous samples
that this service life is normally distributed with a mean of 500 hours and a standard deviation of 20 hours. On three recent production batches, he tested service life on random samples of four
bulbs, with these results: What is the sample mean service life for sample 2?
Select one:
a. 525 hours
b. 495 hours
c. 515 hours d. 460 hours
e. 500 hours
Check Feedback
Correct Marks for this submission: 1.00/1.00.
Question 13
Correct
Mark 1.00 out of 1.00
Flag question Question text
A design engineer wants to construct a sample mean chart for controlling the service life of one
of the types of light bulbs his company produces. He knows from numerous previous samples
that this service life is normally distributed with a mean of 500 hours and a standard deviation of
20 hours. On three recent production batches, he tested service life on random samples of four
bulbs, with these results: What is the mean of the sampling distribution of sample means for whenever service life is in
control?
Select one:
a. 250 hours
b. 515 hours
c. 470 hours
d. 495 hours
e. 500 hours Check Feedback
Correct Marks for this submission: 1.00/1.00.
Question 14
Correct
Mark 1.00 out of 1.00
Flag question Question text
A design engineer wants to construct a sample mean chart for controlling the service life of one
of the types of light bulbs his company produces. He knows from numerous previous samples
that this service life is normally distributed with a mean of 500 hours and a standard deviation of
20 hours. On three recent production batches, he tested service life on random samples of four
bulbs, with these results: What is the standard deviation of the sampling distribution of sample means for whenever
service life is in control?
Select one:
a. 11.55 hours
b. 6.67 hours
c. 10 hours d. 20 hours
e. 5 hours
Check Feedback
Correct Marks for this submission: 1.00/1.00.
Question 15
Correct
Mark 1.00 out of 1.00
Flag question Question text
A design engineer wants to construct a sample mean chart for controlling the service life of one
of the types of light bulbs his company produces. He knows from numerous previous samples
that this service life is normally distributed with a mean of 500 hours and a standard deviation of
20 hours. On three recent production batches, he tested service life on random samples of four
bulbs, with these results: If he uses upper and lower control limits of 520 and 480 hours, what is his risk (alpha) of
concluding service life is out of control when it is actually under control (Type I error)?
Select one:
a. 0.9544
b. 0.3174
c. 0.0456 d. 0.0026
e. 0.6826
Check Feedback
Correct Marks for this submission: 1.00/1.00.
Question 16
Correct
Mark 1.00 out of 1.00
Flag question Question text
A design engineer wants to construct a sample mean chart for controlling the service life of one
of the types of light bulbs his company produces. He knows from numerous previous samples
that this service life is normally distributed with a mean of 500 hours and a standard deviation of
20 hours. On three recent production batches, he tested service life on random samples of four
bulbs, with these results: If he uses upper and lower control limits of 520 and 480 hours, on what sample(s) (if any) does
service life appear to be out of control?
Select one:
a. both samples 2 and 3
b. sample 2
c. none
d. sample 3 e. sample 1
Check Feedback
Correct Marks for this submission: 1.00/1.00.
Question 17
Correct
Mark 1.00 out of 1.00
Flag question Question text
For which of the following would a p-chart be used?
Select one:
a. monitor the number of defects per unit
b. monitor average shrinkage c. monitor the fraction defectives in a sample d. monitor the range of values
e. monitor dispersion in sample data
Check Feedback
Correct Marks for this submission: 1.00/1.00.
Question 18
Correct
Mark 1.00 out of 1.00
Flag question Question text
A Quality Analyst wants to construct a control chart for determining whether four machines, all
producing the same product, are under control with regard to a particular quality attribute.
Accordingly, she inspected 1,000 units of output from each machine in random samples, with the
following results: What is the sample proportion of defectives for machine #1?
Select one:
a. .005
b. .023 c. .0115 d. .02
e. .0058
Check Feedback
Correct Marks for this submission: 1.00/1.00.
Question 19
Correct
Mark 1.00 out of 1.00
Flag question Question text
A Quality Analyst wants to construct a control chart for determining whether four machines, all
producing the same product, are under control with regard to a particular quality attribute.
Accordingly, she inspected 1,000 units of output from each machine in random samples, with the
following results: What is the estimate of the process proportion of defectives for whenever it is under control?
Select one:
a. .06
b. .08
c. .02 d. .04
e. .01 Check Feedback
Correct Marks for this submission: 1.00/1.00.
Question 20
Correct
Mark 1.00 out of 1.00
Flag question Question text
A Quality Analyst wants to construct a control chart for determining whether four machines, all
producing the same product, are under control with regard to a particular quality attribute.
Accordingly, she inspected 1,000 units of output from each machine in random samples, with the
following results: What is the estimate of the standard deviation of the sampling distribution of sample proportion
for whenever this process is under control?
Select one:
a. .00016
b. .04
c. .00002
d. .016
e. .0044 Check Feedback
Correct Marks for this submission: 1.00/1.00.
Question 21
Correct
Mark 1.00 out of 1.00
Flag question Question text
A Quality Analyst wants to construct a control chart for determining whether four machines, all
producing the same product, are under control with regard to a particular quality attribute.
Accordingly, she inspected 1,000 units of output from each machine in random samples, with the
following results: What are the control chart upper and lower control limits for an alpha risk of .05?
Select one:
a. .0272 and .0128
b. .0287 and .0113 c. .0332 and .0068
d. .029 and .013
e. .0303 and .0097
Check Feedback
Correct Marks for this submission: 1.00/1.00. Question 22
Correct
Mark 1.00 out of 1.00
Flag question Question text
A Quality Analyst wants to construct a control chart for determining whether four machines, all
producing the same product, are under control with regard to a particular quality attribute.
Accordingly, she inspected 1,000 units of output from each machine in random samples, with the
following results: For upper and lower control limits of .026 and .014, which machine(s), if any, appear(s) to be
out-of-control for process proportion of defectives?
Select one:
a. machines #3 and #4 b. machine #3 only
c. machine #4 only
d. none of the machines
e. machines #2 and #3
Check Feedback
Correct Marks for this submission: 1.00/1.00.
Question 23
Correct
Mark 1.00 out of 1.00 Flag question Question text
A Quality Analyst wants to construct a sample mean chart for controlling a packaging process.
He knows from past experience that whenever this process is under control, package weight is
normally distributed with a mean of twenty ounces and a standard deviation of two ounces. Each
day last week, he randomly selected four packages and weighed each with the following results: What is the sample mean package weight for Thursday?
Select one:
a. 20.6 ounces
b. 20 ounces
c. 19 ounces d. 21 ounces
e. 23 ounces
Check Feedback
Correct Marks for this submission: 1.00/1.00.
Question 24
Correct
Mark 1.00 out of 1.00 Flag question Question text
A Quality Analyst wants to construct a sample mean chart for controlling a packaging process.
He knows from past experience that whenever this process is under control, package weight is
normally distributed with a mean of twenty ounces and a standard deviation of two ounces. Each
day last week, he randomly selected four packages and weighed each with the following results: What is the mean of the sampling distribution of sample means for whenever this process is
under control?
Select one:
a. 18 ounces
b. 21 ounces
c. 22 ounces
d. 19 ounces
e. 20 ounces Check Feedback
Correct Marks for this submission: 1.00/1.00.
Question 25
Correct
Mark 1.00 out of 1.00 Flag question Question text
A Quality Analyst wants to construct a sample mean chart for controlling a packaging process.
He knows from past experience that whenever this process is under control, package weight is
normally distributed with a mean of twenty ounces and a standard deviation of two ounces. Each
day last week, he randomly selected four packages and weighed each with the following results: What is the standard deviation of the sampling distribution of sample means for whenever this
process is under control?
Select one:
a. 0.4 ounces
b. 0.1 ounces
c. 1 ounce d. 2 ounces
e. 0.5 ounces
Check Feedback
Correct Marks for this submission: 1.00/1.00.
Question 26
Correct
Mark 1.00 out of 1.00 Flag question Question text
A Quality Analyst wants to construct a sample mean chart for controlling a packaging process.
He knows from past experience that whenever this process is under control, package weight is
normally distributed with a mean of twenty ounces and a standard deviation of two ounces. Each
day last week, he randomly selected four packages and weighed each with the following results: If he uses upper and lower control limits of 22 and 18 ounces, what is his risk (alpha) of
concluding this process is out of control when it is actually in control (Type I error)?
Select one:
a. 0.0026
b. 0.3174
c. 0.0456 d. 0.6826
e. 0.9544
Check Feedback
Correct Marks for this submission: 1.00/1.00.
Question 27
Correct
Mark 1.00 out of 1.00 Flag question Question text
A Quality Analyst wants to construct a sample mean chart for controlling a packaging process.
He knows from past experience that whenever this process is under control, package weight is
normally distributed with a mean of twenty ounces and a standard deviation of two ounces. Each
day last week, he randomly selected four packages and weighed each with the following results: If he uses upper and lower control limits of 22 and 18 ounces, on what day(s), if any, does this
process appear to be out of control?
Select one:
a. Monday, Tuesday, and Thursday
b. Monday c. Tuesday
d. none
e. Monday and Tuesday
Check Feedback
Correct Marks for this submission: 1.00/1.00.
Question 28
Correct
Mark 1.00 out of 1.00 Flag question Question text
The specifications for a product are 6 mm 0.1 mm. The process is known to operate at a mean of 6.05 mm with a standard deviation of 0.01 mm. What is the Cpkfor this process?
Select one:
a. none of the choices
b. 3.33
c. 1.67 d. 5.00
e. 2.50
Check Feedback
Correct Marks for this submission: 1.00/1.00.
Question 29
Correct
Mark 1.00 out of 1.00
Flag question Question text
The term "2 sigma limits" in the context of a control chart refers to the variability of the: Select one:
a. sampling distribution b. sample
c. process
d. none of the choices
e. population
Check Feedback
Correct Marks for this submission: 1.00/1.00.
Question 30
Correct
Mark 1.00 out of 1.00
Flag question Question text
Which of the following is not a step in the quality control planning process?
Select one:
a. eliminate all defects found b. define the quality characteristic to be controlled
c. plan how inspection is to be done
d. all of the choices are steps.
e. determine a quality control point in the process Check Feedback
Correct Marks for this submission: 1.00/1.00.
Question 31
Correct
Mark 1.00 out of 1.00
Flag question Question text
A c-chart is used to monitor the number of defectives in the output of a process.
Select one:
True
False Check Feedback
Correct Marks for this submission: 1.00/1.00.
Question 32
Correct
Mark 1.00 out of 1.00
Flag question Question text
A c-chart is used to monitor the number of defects per unit of process output. Select one:
True False
Check Feedback
Correct Marks for this submission: 1.00/1.00.
Question 33
Correct
Mark 1.00 out of 1.00
Flag question Question text
Approximately 99.7% of sample means will fall within ± two standard deviations of the process
mean.
Select one:
True
False Check Feedback
Correct Marks for this submission: 1.00/1.00.
Question 34
Correct
Mark 1.00 out of 1.00 Flag question Question text
A process capability index (C ) of 0.70 indicates that a process is capable of producing to design
specifications.
p Select one:
True
False Check Feedback
Correct Marks for this submission: 1.00/1.00.
Question 35
Correct
Mark 1.00 out of 1.00
Flag question Question text
A sample statistic that falls inside the control limits suggests assignable variation in the process.
Select one:
True
False Check Feedback
Correct Marks for this submission: 1.00/1.00.
Question 36
Correct
Mark 1.00 out of 1.00
Flag question Question text
A sample statistic that falls outside the control limits suggests that the process mean has changed.
Select one:
True False
Check Feedback
Correct Marks for this submission: 1.00/1.00.
Question 37
Correct
Mark 1.00 out of 1.00
Flag question Question text Design specifications are equivalent to control limits.
Select one:
True
False Check Feedback
Correct Marks for this submission: 1.00/1.00.
Question 38
Correct
Mark 1.00 out of 1.00
Flag question Question text
If a point on a control chart falls outside one of the control limits, this suggests that the process
output is non-random.
Select one:
True False
Check Feedback
Correct Marks for this submission: 1.00/1.00.
Question 39
Correct
Mark 1.00 out of 1.00 Flag question Question text
Statistical process control is based on comparing periodic samples from a process to
predetermined limits.
Select one:
True False
Check Feedback
Correct Marks for this submission: 1.00/1.00.
Question 40
Correct
Mark 1.00 out of 1.00
Flag question Question text
The amount of inspection needed is governed by the costs of inspection and the expected costs of
passing defective items.
Select one:
True False Check Feedback
Correct Marks for this submission: 1.00/1.00.
Question 41
Correct
Mark 1.00 out of 1.00
Flag question Question text
The output of a process may not conform to design specifications even though the process may
be statistically "in control".
Select one:
True False
Check Feedback
Correct Marks for this submission: 1.00/1.00.
Question 42
Correct
Mark 1.00 out of 1.00
Flag question Question text The probability of a Type I error is the probability of concluding that only randomness is present
when assignable variation exists.
Select one:
True
False Check Feedback
Correct Marks for this submission: 1.00/1.00.
Question 43
Correct
Mark 1.00 out of 1.00
Flag question Question text
The process capability index, indicated by Cpis calculated as the ratio of the design specification
width to the process width.
Select one:
True False
Check Feedback
Correct Marks for this submission: 1.00/1.00.
Question
Correct 44 Mark 1.00 out of 1.00
Flag question Question text
There is no direct link between design specifications and statistical process control limits.
Select one:
True False
Check Feedback
Correct Marks for this submission: 1.00/1.00.
Question 45
Correct
Mark 1.00 out of 1.00
Flag question Question text
The sampling distribution can be assumed to be approximately normal even when the underlying
process distribution is not normally distributed, provided the sample size is sufficiently large.
Select one:
True False Check Feedback
Correct Marks for this submission: 1.00/1.00.
Question 46
Correct
Mark 1.00 out of 1.00
Flag question Question text
Typically the production of high-cost, low-volume items require little quality control inspection.
Select one:
True
False Check Feedback
Correct Marks for this submission: 1.00/1.00.
Question 47
Correct
Mark 1.00 out of 1.00
Flag question Question text Variation in a sample statistic collected from a process may be either random variation or
assignable variation.
Select one:
True False
Check Feedback
Correct Marks for this submission: 1.00/1.00.
Question 48
Correct
Mark 1.00 out of 1.00
Flag question Question text
When a process is not centred, its capability should be based on considering the upper and lower
design specifications separately and not just the overall design specification width. The symbol
for this case is Cpk.
Select one:
True False
Check Feedback
Correct Marks for this submission: 1.00/1.00.

 


Solution details:
STATUS
Answered
QUALITY
Approved
ANSWER RATING

This question was answered on: Sep 05, 2019

PRICE: $18

Solution~000200263040.zip (25.37 KB)

Buy this answer for only: $18

This attachment is locked

We have a ready expert answer for this paper which you can use for in-depth understanding, research editing or paraphrasing. You can buy it or order for a fresh, original and plagiarism-free solution (Deadline assured. Flexible pricing. TurnItIn Report provided)

Pay using PayPal (No PayPal account Required) or your credit card . All your purchases are securely protected by .
SiteLock

About this Question

STATUS

Answered

QUALITY

Approved

DATE ANSWERED

Sep 05, 2019

EXPERT

Tutor

ANSWER RATING

GET INSTANT HELP/h4>

We have top-notch tutors who can do your essay/homework for you at a reasonable cost and then you can simply use that essay as a template to build your own arguments.

You can also use these solutions:

  • As a reference for in-depth understanding of the subject.
  • As a source of ideas / reasoning for your own research (if properly referenced)
  • For editing and paraphrasing (check your institution's definition of plagiarism and recommended paraphrase).
This we believe is a better way of understanding a problem and makes use of the efficiency of time of the student.

NEW ASSIGNMENT HELP?

Order New Solution. Quick Turnaround

Click on the button below in order to Order for a New, Original and High-Quality Essay Solutions. New orders are original solutions and precise to your writing instruction requirements. Place a New Order using the button below.

WE GUARANTEE, THAT YOUR PAPER WILL BE WRITTEN FROM SCRATCH AND WITHIN YOUR SET DEADLINE.

Order Now