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Homework answers / question archive / PMAN 639: PROJECT QUALITY MANAGEMENT Fall 2018 Final Exam     Please answer the following True or False questions (each worth 2 points)     A process is capable if the variations fall within the control limits             True ______   False______   Brainstorming is a fundamental tool of problem solving   True ______False______________   Random variations fall outside the control limits

PMAN 639: PROJECT QUALITY MANAGEMENT Fall 2018 Final Exam     Please answer the following True or False questions (each worth 2 points)     A process is capable if the variations fall within the control limits             True ______   False______   Brainstorming is a fundamental tool of problem solving   True ______False______________   Random variations fall outside the control limits

Management

PMAN 639: PROJECT QUALITY MANAGEMENT

Fall 2018 Final Exam

 

 

  1. Please answer the following True or False questions (each worth 2 points)

 

 

  1. A process is capable if the variations fall within the control limits

            True ______   False______

 

  1. Brainstorming is a fundamental tool of problem solving

 

True ______False______________

 

  1. Random variations fall outside the control limits.

True ______   False_____

 

 

  1. Control charts tell  Project Managers how to control the project.

 

True ______   False______

 

  1. 3 items in parallel, each having a reliability of 0.80  have an overall system reliability of 0.999.

 

True ______   False______

 

  1. Run chart can be used as a measurement tool to track changes in a process over time.

 

True _____   False________

 

 

 

  1. A process in control may produce unacceptable output.

 

True ______   False______

 

 

  1. A Six Sigma process must have a process capability index of 6.

 

True _____   False________

 

  1. For a Normally distributed process the control limits are + -  3 times the standard deviation

 

True _____   False________

 

  1.   If the X bar chart is out of control, the R chart may be in control

 

True ____   False________

 

 

 

  1. Please answer the following multiple choice questions (each worth 4 points)):

 

 

 

 

 

 

 

 

 

 

 

1.

Which of the following tools are used to get the shape of the distribution.

A) Matrix diagram

B) Histogram

C) Affinity Diagram

D) Check sheets

E) Process map

 

 

 

 

 

2.

Which of the following tools are used to organize ideas.

A) Matrix diagram

B) Histogram

C) Affinity Diagram

D) Check sheets

E) Process map

 

 

 

3.

Which of the following is true of random variation?

 

A)  It is uncontrollable.

B)  It is centered around the mean.

C)  It is within + or – 3 standard deviation of the mean.

D)  All of the above.

E)  None of the above

 

 

 

 

 

 

 

 

 

       

 

 

4.

An R chart is used to monitor _________.

 

  1. Variation of the Mean
  2. Process Dispersion
  3. Trend in mean value
  4. Trend in standard deviation

 

 

  1. 5.  Which of the following is true of special cause variation?

 

A)  It is uncontrollable.

B)  It is centered around the mean.

C)  It is inherent in the process.

D)  All of the above.

E)  None of the above

 

 

 

 

 

 

 

 

 

 

           
  1. Please respond to the following questions. Each question is worth 10 points:

1)

97.

1)

A product is made up of two subsystems in parallel. The first subsystem

consists of 50 components in series. The second subsystem consists of 30

components in series. The components in subsystem 1 are all of the same

design and each has a 5/1000 chance of failure. The components in subsystem

2 are also of the same design and each has a 8/1000 chance for failure. What is

the overall reliability of the system?

RS= 1- (0.221687)(0.214131)

2. 

Please create a process map for withdrawing cash from an ATM machine as

described below:

Janet needed some cash and walks up to an ATM machine. She inserts her debit

card. The machine returns the card and the monitor reads: “could not read the

card try again”. Janet recognizes that she has entered the card in the wrong

direction. She takes the card and turns it around and insert the card again. The

machine keeps the card and the monitor reads: “enter pass code”. Janet enters

a 4 digit code. The monitor reads: “ error, try again”.

Janet enters the code again. The monitor displays: Withdrawal? Yes No

Janet selects Yes. Displays shows:

“ $100, $200, $300, $400, $______”.

Janet selects $200. The machine pushes out 10 $20 bills. Monitor then

displays “Receipt? Yes No”. Janet selects No. Monitor displays “Take your

cash” .

3

 

Name:_Latoya Simms___________________________

The machine returns the card. Display changes to “Thank You”.

Janet takes the cash and her card and walks away.

 

  1. A customer relationship manager decided to track customer complaints as part of his ongoing customer satisfaction improvement program. After collecting data for two months, their check sheet appears as follows:

 

Type of Problem

Frequency

(number of times)

Call went to a voice mail

8

Items damaged when received

21

Literature not in the box

9

Parts missing

13

Unit not working

2

Delivery was late

3

 

Construct a Pareto chart including the cumulative % frequency. What is the cumulative percentage of the three leftmost bars?

 

 
 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

  1.  
 

A product manager has conducted a customer satisfaction survey of

 

30 customers on a scale of 1 to 5.  The survey data is shown below.  Calculate the mean and standard deviation of the survey and plot a histogram of the data.  Does the distribution approximate Normal?

 

Customer

Satisfaction rating

1

4

2

3

3

2

4

5

5

5

6

2

7

1

8

4

9

3

10

4

11

4

12

5

13

3

14

3

15

2

16

1

17

5

18

3

19

4

20

3

21

4

22

2

23

4

24

4

25

3

26

3

27

3

28

2

29

2

30

3

Mean

 

 

Stnd

 

 

 

 

 

 

 

 

 

 

 

                             
  1. A project manager at System Design Corporation has collected the following data on the size of software programs and the length of programming time. The company is bidding on a new system that is estimated to consist of 300,000 lines of code.  Use a scatter plot to find the correlation function of coding time to the program size and estimate the number of days it would take to code the system.

 

Module

Size in 1000 lines of code (KLOC)

Number of days to code

1

150

72

2

158

66

3

148

65

4

120

60

5

178

75

6

170

68

7

152

68

8

138

65

9

200

80

10

195

75

11

189

65

12

173

68

13

159

62

14

163

71

15

150

65

16

140

65

17

206

74

18

144

64

19

157

70

20

183

76

21

195

75

22

190

77

23

185

73

24

152

58

25

178

70

 

 

 

 

 

 

6.  A procurement manager has been tracking delivery performance of her suppliers.  Based on the following data

 

  1. Calculate sigma performance of these suppliers using Z Score tables and rank order them
  2. Comment on the performance of these suppliers

 

Supplier

A

B

C

Number of deliveries

25

54

70

Number of late deliveries

3

10

12

 

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