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It is not possible to be in control on the X-bar chart and out of control on the R-chart

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Question;1) It is not possible to be in control on the X-bar chart and out of control on the R-chart for the same process at the same timeTrue ______ False______2) Nonrandom variation can be the result of an operator error.True _____ False__2) 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 25000 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 system.Module Size in 1000 lines of code (KLOC) Number of days to code1 160 682 158 663 148 704 135 595 178 726 170 687 158 648 138 659 200 7010 195 6811 189 6512 173 6813 159 7014 163 7115 150 6616 140 6517 206 7318 144 6419 157 7020 183 7421 195 7522 190 7723 182 6924 152 6525 174 693) For the above problem plot a histogram of module size in this program.4) Consider a machine that fills soda bottles. The process has a mean of 15.9 ounces and a standard deviation of 0.06 ounces.The specification limits are set between 15.8 and 16.2 ounces.a) Compute and interpret the machine?s Cpb) Compute and interpret the machine Cpkc) What % of the bottles will be considered under-filled?

 

Paper#53276 | Written in 18-Jul-2015

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