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University of Akron MANAGEMENT 6200 Chapter 5 1)A quality perspective that focuses on whether or not a product was made or a service was performed as intended is the: A)           performance perspective

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University of Akron

MANAGEMENT 6200

Chapter 5

1)A quality perspective that focuses on whether or not a product was made or a service was performed as intended is the:

A)           performance perspective.

B)            value perspective.

C)            conformance perspective.

D)           intention perspective.

 

2.            The        dimension of quality asks how long a product can go between failures or the need for maintenance.

E)            warranty

F)            lifetime

G)           serviceability D) reliability

 

3.            On the first day of class at a new university you made judgments about the quality of the class before the professor had entered the room. You noted the comfort of the accommodations, the fine works of art in the halls and on the classroom wall and the soothing music piped in over the sound system. This dimension of quality is:

a.            aesthetics.

b.            performance.

c.             features.

d.            perceived quality.

 

4.            Costs incurred by defects that occur prior to delivery to the customer are called:

a.            external failure costs. B) internal failure costs.

C)            appraisal costs.

D)           prevention costs.

 

 

 

 

5.            Which of the following is NOT a core idea of total quality management?

 

a.            cost reduction

b.            leadership improvement

c.             employee empowerment

d.            continuous improvement

 

6.            A technique used to translate customer requirements into technical requirements is:

a.            quality assurance.

b.            statistical quality control. C) quality function deployment.

D) continuous improvement.

 

7.            A barbecue sauce producer sells their product in a 20-ounce bottle. Their historical process mean has been 20 ounces with a standard deviation of 0.25 ounces. If their tolerance limits are set at 20 ounces plus or minus 1 ounce, what is the process capability ratio of the bottle filling process?

A) 1.00

B) 1.33

C) 1.75

D) 2.00

 

 

8.            A barbecue sauce producer sells their product in a 20-ounce bottle. Their current process mean is 19.80 ounces with a standard deviation of 0.3 ounces. If their tolerance limits are set at 20 ounces plus or minus 1 ounce, what is the process capability index of the bottle filling process?

A) 0.89

B) 1.00

C) 1.11

D) 1.33

 

 

9.            A barbecue sauce producer makes their product in an 80-ounce bottle for a specialty store. Their historical process mean has been 80.1 ounces and their tolerance limits are set at 80 ounces plus or minus 1 ounce. What does their process standard deviation need to be in order to sustain a process capability index of 1.5?

A) 0.10

B) 0.15

C) 0.20

D) 0.25

 

 

 

10.          A barbecue sauce producer makes their product in an 80-ounce bottle for a specialty store. Their historical process mean has been 80 ounces and their tolerance limits are set at 80 ounces

 

plus or minus 1 ounce. What does their process standard deviation need to be in order to sustain a process capability ratio of 1.66?

A) 0.10

B) 0.20

C) 0.25

D) 0.33

 

11.          An automobile windshield manufacturer wants to verify that their process is producing windshields of an appropriate thickness. The best tool to determine this information is a(n):

a.            process capability ratio.

b.            process capability index. C) x-bar chart.

D) operating characteristics curve.

 

12.          A pizza delivery service wants to track their delivery times. They take eight samples of four deliveries and record the following data. What are the upper and lower control limits of their R- chart?

 

Sample #             1              2              3              4              5              6              7              8

Item #1 21.1        20.2        24.1        22.6        21.2        20.9        22.4        20.9

Item #2 21.7        20.6        21.7        21.7        24.1        23.5        24.6        24.7

Item #3 23.0        24.5        23.2        23.0        20.6        22.8        23.4        22.8

Item #4 20.3        23.5        24.4        25.0        20.7        23.2        23.3        24.5

 

A) 24.9, 20.3

B) 7.2, 0.0

C) 3.1, 0.0

D) 22.6, 0.0

 

 

13.          A pizza delivery service wants to track their delivery times. They take eight samples of four deliveries and record the following data. What are the upper and lower control limits of their X- bar chart?

 

Sample #             1              2              3              4              5              6              7              8

Item #1 21.1        20.2        24.1        22.6        21.2        20.9        22.4        20.9

Item #2 21.7        20.6        21.7        21.7        24.1        23.5        24.6        24.7

Item #3 23.0        24.5        23.2        23.0        20.6        22.8        23.4        22.8

Item #4 20.3        23.5        24.4        25.0        20.7        23.2        23.3        24.5

Sum       86.1        88.8        93.4        92.3        86.6        90.4        93.7        92.9

 

A) 24.9, 20.3

B) 23.8, 21.4

C) 22.6, 19.5

D) 21.1, 17.6

 

 

14.          The fill size for a small bag of peanuts distributed by a popular airline is 50 grams. The producer wishes to set up a set of control charts for this process and collects the data shown in the table. What are the upper and lower control limits of their R-chart?

 

Sample Item #1 Item #2 Item #3 Item #4 Sum

1              54.5        54.3        53.8        50.4        213.0

2              50.6        53.5        53.2        54.9        212.3

3              51.1        54.3        50.4        50.7        206.6

4              52.7        52.1        51.3        51.0        207.2

5              51.7        51.2        54.7        54.3        211.8

6              51.1        51.5        54.7        50.4        207.7

7              54.0        52.3        54.7        51.4        212.4

8              53.2        50.4        53.4        51.4        208.4

9              51.9        50.2        50.2        52.9        205.1

 

A) 6.22, 0.62

B) 6.77, 0.42

C) 7.22, 0.22

D) 7.79, 0.00

 

 

 

 

 

 

 

 

15.          The fill size for a small bag of peanuts distributed by a popular airline is 50 grams. The

 

producer wishes to set up a set of control charts for this process and collects the data shown in the table. What are the upper and lower control limits of their X-bar chart?

 

Sample Item #1 Item #2 Item #3 Item #4 Sum

1              54.5        54.3        53.8        50.4        213.0

2              50.6        53.5        53.2        54.9        212.3

3              51.1        54.3        50.4        50.7        206.6

4              52.7        52.1        51.3        51.0        207.2

5              51.7        51.2        54.7        54.3        211.8

6              51.1        51.5        54.7        50.4        207.7

7              54.0        52.3        54.7        51.4        212.4

8              53.2        50.4        53.4        51.4        208.4

9              51.9        50.2        50.2        52.9        205.1

 

A) 54.84, 49.85

B) 54.41, 50.32

C) 53.87, 50.78

D) 53.51, 51.18

 

 

16.          A cell phone manufacturer inspects the video display on each color phone to verify that the screen can display all colors with the brilliance their customers have come to expect. Each phone is turned on, run through a self-test procedure, and classified as either acceptable or unacceptable based on test performance. Based on historical data, the manufacturer produces 0.1 percent defective displays. If they inspect 5000 phones each day for the next 10 days, what are the upper and lower control limits for their control chart if their sample mean mirrors their historical process average?

A) 0.0002, 0.0001

B) 0.0142, 0.0058

C) 0.1127, 0.0873

D) 0.0023, 0.0000

 

 

17.          A cell phone manufacturer inspects the video display on each color phone to verify that the screen can display all colors with the brilliance their customers have come to expect. Each phone is turned on, run through a self-test procedure, and classified as either acceptable or unacceptable based on test performance. Based on historical data, the process engineer expects about 0.1 percent defective displays. How many phones should they sample to establish an average fraction defective for their statistical quality control initiative?

a.            5

b.            50

C) 500

D) 5000

 

 

18.          A cell phone manufacturer inspects the video display on each color phone to verify that the

 

screen can display all colors with the brilliance their customers have come to expect. Each phone is turned on, run through a self-test procedure, and classified as either acceptable or unacceptable based on test performance. The production team takes a sample of 350 phones and finds one with a defective display. How many additional phones should they sample to establish an average fraction defective for their statistical quality control initiative?

A) 1400

B) 1750

C) 2100

D) 2450

 

 

19. What is Floyd Electric's process standard deviation? A) 0.15

B) 0.17

C) 0.42

D) 0.39

 

 

20.          Floyd Electric is fabricating flanges for a new electrical motor. The flange is to be 25 millimeters in diameter with an upper tolerance limit of 26.5 millimeters and a lower tolerance limit of 23.5 millimeters. Bill Floyd took a sample consisting of ten flanges, measured the diameter and recorded the observations in the table.

 

25.69     25.58     24.78     24.94     24.87     24.63     25.70     25.52     24.95     24.91

 

What is Floyd Electric's process capability index? A) 1.08

B) 1.33

C) 1.42

D) 1.66

 

 

 

21. What percentage decrease in process standard deviation would be required for Floyd Electric to achieve 6-sigma process capability? Assume that his process mean remains where it is.

A) 36%

B) 40%

C) 46%

D) 58%

 

 

 

 

 

 

22.          A housekeeping supervisor inspects rooms after the staff has cleaned them and compares

 

their staff's performance against a checklist of items that should be cleaned, replaced, etc., according to standard operating procedure at the hotel. Over the past week she finds three rooms that have cleaning mistakes out of the 140 rooms she has inspected. How many additional rooms should she sample to establish an average fraction defective for the p chart she would like to make to monitor this process?

a.            78 B) 93 C) 108

D) 133

 

 

23.          The probability of rejecting a lot with quality better than the acceptable quality level is:

a.            the lot tolerance percent defective.

b.            the lot tolerance percent acceptable.

c.             the consumer's risk. D) the producer's risk.

 

24.          Taguchi defines quality in terms of:

a.            parts per million.

b.            losses.

c.             lot tolerance percent defective.

d.            acceptable quality levels.

 

25.  One international standard for managing quality across the supply chain is: A) ISO 9000.

B) ISO 14000.

C)            AQL.

D)           LTPD.