Name:______________ PMAN 639: PROJECT QUALITY MANAGEMENT FINAL EXAM A. Please answer the following True or False questions (each worth 2 points) 1) A process is capable if only common variation is present in the process. True ______ False______ 2) Due to the widespread acceptance of benchmarking, it is not difficult to obtain cooperation from other firms in your own industry. True ______ False _______ 3) Control charts are used to determine whether a process will produce a product or service with consistent measurable properties.. True ______ False______ 4) Three items in parallel each having a reliability of 0.90 have an overall system reliability of 0.729. True ______ False______ 5) The lower control limit for a p-chart can be lower than 0. True ______ False______ 6) Process stability means that the variation observed in the process is random. True ______ False______ 7) Processes that achieve capability indexes of equal or greater than 2.0 have Six Sigma performance. True _____ False________ 8) The first component of a complaint resolution process is contrition. 1 True ______ False______ 9) The three spheres of quality are planning, design, and improvement. True ______ False______ 3) Quality invariably leads to better business results. True ______ False_____ B. Please answer the following multiple choice questions (each worth 3 points)): 1. A system is to be composed of 5 identical components in series. What is the lowest reliability component that can be used in order to have an overall system reliability of 0.90? A. B. C. D. E. 2. 0.98 0.97 0.96 0.95 0.94 In the __________ stage of team development, the team becomes a cohesive unit and interdependence, trust, and cooperation develop. A. norming B. forming C. storming D. mourning E. performing 3. A project consists of four activities, each of which has a variance of 1. The project standard deviation is: A. B. C. D. E. 4. 1 2 3 4 16 __________ variation is centered on the mean and occurs with a consistent amount of dispersion. A. Nonrandom B. Consistent 2 C. Systematic D. Deliberate E. Random 5. The quadrant in the Risk and Return matrix corresponding to low risk and low return is called: A. B. C. D. E. . 6. The final step in the self-assessment process described in the text is to: A. B. C. D. E. 7. variable quality trait attribute element What is the Taguchi constant for a device that costs $400 to repair and a tolerance of plus or minus 0.5 mm with a mean squared deviation from the target of 0.3? A. B. C. D. E. 9. document findings collect data evaluate strengths and areas for improvement develop improvement strategy make a plan A(n) __________ is the result of a binomial process that results in an either-or-situation. A. B. C. D. E. 8. stars dogs question marks low hanging fruit wins 144 480 4444 1600 1111 The X-bar chart is a process chart used to monitor the __________ of the characteristic being measured. 3 A. B. C. D. E. 10. range average mode dispersion parameters When we are interested in monitoring a measurement for a particular product in a process, there are two primary variables of interest: A. B. C. D. E. the mode of the process and the distribution of the process the range of the process and the diffusion of the process the mean of the process and the dispersion of the process the average of the process and the stability of the process the range of the process and the distribution of the process C. Please respond to the following questions. Each question is worth 10 points: 1) If a process is Normally distributed what is the relationship between a run chart and a control chart of this process performance? Please discuss. 2) A project manager needs to choose a machine that molds 1-inch plastic water pipe. The 1-inch pipe has a specification of 1-inch plus or minus 0.1 inch. Determine which machine he should choose, by computing and interpreting the process capability index for each machine. If the manager chooses machine A because it is cheaper, what % of the pipes produced will be out of spec? Machine A B C D Standard Deviation (inches) 0.08 0.06 0.05 0.02 3) A project manager at COMSOFT corporation has collected statistics on the organization's software development process. He has the size of each project in number of lines of code for the past 20 projects and the number of design errors discovered in design reviews for each project. . 4 Describe what type of control chart you can use and how do you calculate the control limits to check if the software design process in this organization is in control. 4) 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 250000 lines of code. Please use the data to find the functional relationship of the coding time to the program size and estimate the number of days it would take to code the new system. Size in 1000 lines of code (KLOC) Module Number of days to code 1 160 68 2 158 66 3 148 70 4 135 59 5 178 72 6 170 68 7 158 64 8 138 65 9 200 70 10 195 68 11 189 65 12 173 68 13 159 70 14 163 71 15 150 66 16 140 65 17 206 73 18 144 64 5 19 157 70 20 183 74 21 195 75 22 190 77 23 182 69 24 152 65 25 174 69 5) For the above problem plot a histogram of module size in this program. 6