Compute and interpret the machine cpk

Assignment Help Operation Management

Reference no: EM13731702

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 time

a) True

b) False

2) Nonrandom variation can be the result of an operator error.

a) True

b) 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 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

19 157 70

20 183 74

21 195 75

22 190 77

23 182 69

24 152 65

25 174 69

3) 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 Cp

b) Compute and interpret the machine Cpk

c) What % of the bottles will be considered under-filled?

Reference no: EM13731702

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