1. Compute the mean, standard deviation and other descriptive statistics for the data, including a histogram as well. (10 points)
2. Calculate the control limits and construct the x-bar and R-charts for these 30 samples. Is the process under control? (15 points)
3. Specifications for the process are 9.2 3.2 ohms. If the process is under control, calculate the capability indexes, Cpu, Cpl, Cp, and Cpk using the part of the and R-charts Excel template that calculates the process capability. What do the indexes indicate? (10 points)

Babbage Chips ch Sample 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 7.954 6.341 8.154 10.119 8.420 9.791 8.466 8.683 10.641 8.994 9.215 8.073 10.686 10.795 9.940 9.524 10.090 8.230 8.864 9.004 9.728 6.910 9.047 8.413 8.712 10.166 9.912 9.824 9.175 7.077 11.195 7.966 10.596 7.463 7.041 11.616 9.377 8.562 9.383 9.968 9.405 9.343 9.750 7.992 10.634 8.529 7.801 8.421 8.668 9.206 8.045 8.922 8.889 9.927 8.390 8.724 7.640 8.628 9.113 8.173 8.160 10.678 8.660 10.073 9.829 7.726 6.910 8.284 9.922 10.035 9.186 10.027 10.548 9.063 9.336 9.682 9.281 8.469 10.760 9.036 10.720 9.444 7.063 10.638 7.721 9.762 10.203 10.966 9.415 8.050 10.040 8.883 9.991 8.074 11.002 11.445 8.998 8.719 9.075 9.766 7.580 8.634 8.363 11.272 9.744 8.134 9.005 9.612 9.328 7.330 9.761 8.222 9.439 9.888 10.349 10.123 9.295 9.590 8.956 8.284 9.102 11.181 8.856 7.307 8.698 11.557 7.835 7.420 8.877 8.105 7.734 10.266 10.936 8.367 10.267 9.470 11.234 8.758 8.581 9.670 7.910 9.800 7.132 9.611 9.501 9.349 10.703 7.553 12.057 8.725