Engineering Statistics Handbook Episode 2 Part 14 pps

1. Exploratory Data Analysis 1.4. EDA Case Studies 1.4.2. Case Studies 1.4.2.7. Standard Resistor 1.4.2.7.1.Background and Data Generation This data set was collected by Ron Dziuba of NIST over a 5-year period from 1980 to 1985. The response variable is resistor values. The motivation for studying this data set is to illustrate data that violate the assumptions of constant location and scale. This file can be read by Dataplot with the following commands: SKIP 25 COLUMN LIMITS 10 80 READ DZIUBA1.DAT Y COLUMN LIMITS Resulting Data The following are the data used for this case study. 27.8680 27.8929 27.8773 27.8530 27.8876 27.8725 27.8743 27.8879 27.8728 27.8746 27.8863 27.8716 27.8818 27.8872 27.8885 27.8945 27.8797 27.8627 27.8870 1.4.2.7.1. Background and Data http://www.itl.nist.gov/div898/handbook/eda/section4/eda4271.htm (1 of 23) [5/1/2006 9:58:55 AM] 27.8895 27.9138 27.8931 27.8852 27.8788 27.8827 27.8939 27.8558 27.8814 27.8479 27.8479 27.8848 27.8809 27.8479 27.8611 27.8630 27.8679 27.8637 27.8985 27.8900 27.8577 27.8848 27.8869 27.8976 27.8610 27.8567 27.8417 27.8280 27.8555 27.8639 27.8702 27.8582 27.8605 27.8900 27.8758 27.8774 27.9008 27.8988 27.8897 27.8990 27.8958 27.8830 27.8967 27.9105 27.9028 27.8977 1.4.2.7.1. Background and Data http://www.itl.nist.gov/div898/handbook/eda/section4/eda4271.htm (2 of 23) [5/1/2006 9:58:55 AM] 27.8953 27.8970 27.9190 27.9180 27.8997 27.9204 27.9234 27.9072 27.9152 27.9091 27.8882 27.9035 27.9267 27.9138 27.8955 27.9203 27.9239 27.9199 27.9646 27.9411 27.9345 27.8712 27.9145 27.9259 27.9317 27.9239 27.9247 27.9150 27.9444 27.9457 27.9166 27.9066 27.9088 27.9255 27.9312 27.9439 27.9210 27.9102 27.9083 27.9121 27.9113 27.9091 27.9235 27.9291 27.9253 27.9092 1.4.2.7.1. Background and Data http://www.itl.nist.gov/div898/handbook/eda/section4/eda4271.htm (3 of 23) [5/1/2006 9:58:55 AM] 27.9117 27.9194 27.9039 27.9515 27.9143 27.9124 27.9128 27.9260 27.9339 27.9500 27.9530 27.9430 27.9400 27.8850 27.9350 27.9120 27.9260 27.9660 27.9280 27.9450 27.9390 27.9429 27.9207 27.9205 27.9204 27.9198 27.9246 27.9366 27.9234 27.9125 27.9032 27.9285 27.9561 27.9616 27.9530 27.9280 27.9060 27.9380 27.9310 27.9347 27.9339 27.9410 27.9397 27.9472 27.9235 27.9315 1.4.2.7.1. Background and Data http://www.itl.nist.gov/div898/handbook/eda/section4/eda4271.htm (4 of 23) [5/1/2006 9:58:55 AM] 27.9368 27.9403 27.9529 27.9263 27.9347 27.9371 27.9129 27.9549 27.9422 27.9423 27.9750 27.9339 27.9629 27.9587 27.9503 27.9573 27.9518 27.9527 27.9589 27.9300 27.9629 27.9630 27.9660 27.9730 27.9660 27.9630 27.9570 27.9650 27.9520 27.9820 27.9560 27.9670 27.9520 27.9470 27.9720 27.9610 27.9437 27.9660 27.9580 27.9660 27.9700 27.9600 27.9660 27.9770 27.9110 27.9690 1.4.2.7.1. Background and Data http://www.itl.nist.gov/div898/handbook/eda/section4/eda4271.htm (5 of 23) [5/1/2006 9:58:55 AM] 27.9698 27.9616 27.9371 27.9700 27.9265 27.9964 27.9842 27.9667 27.9610 27.9943 27.9616 27.9397 27.9799 28.0086 27.9709 27.9741 27.9675 27.9826 27.9676 27.9703 27.9789 27.9786 27.9722 27.9831 28.0043 27.9548 27.9875 27.9495 27.9549 27.9469 27.9744 27.9744 27.9449 27.9837 27.9585 28.0096 27.9762 27.9641 27.9854 27.9877 27.9839 27.9817 27.9845 27.9877 27.9880 27.9822 1.4.2.7.1. Background and Data http://www.itl.nist.gov/div898/handbook/eda/section4/eda4271.htm (6 of 23) [5/1/2006 9:58:55 AM] 27.9836 28.0030 27.9678 28.0146 27.9945 27.9805 27.9785 27.9791 27.9817 27.9805 27.9782 27.9753 27.9792 27.9704 27.9794 27.9814 27.9794 27.9795 27.9881 27.9772 27.9796 27.9736 27.9772 27.9960 27.9795 27.9779 27.9829 27.9829 27.9815 27.9811 27.9773 27.9778 27.9724 27.9756 27.9699 27.9724 27.9666 27.9666 27.9739 27.9684 27.9861 27.9901 27.9879 27.9865 27.9876 27.9814 1.4.2.7.1. Background and Data http://www.itl.nist.gov/div898/handbook/eda/section4/eda4271.htm (7 of 23) [5/1/2006 9:58:55 AM] 27.9842 27.9868 27.9834 27.9892 27.9864 27.9843 27.9838 27.9847 27.9860 27.9872 27.9869 27.9602 27.9852 27.9860 27.9836 27.9813 27.9623 27.9843 27.9802 27.9863 27.9813 27.9881 27.9850 27.9850 27.9830 27.9866 27.9888 27.9841 27.9863 27.9903 27.9961 27.9905 27.9945 27.9878 27.9929 27.9914 27.9914 27.9997 28.0006 27.9999 28.0004 28.0020 28.0029 28.0008 28.0040 28.0078 1.4.2.7.1. Background and Data http://www.itl.nist.gov/div898/handbook/eda/section4/eda4271.htm (8 of 23) [5/1/2006 9:58:55 AM] 28.0065 27.9959 28.0073 28.0017 28.0042 28.0036 28.0055 28.0007 28.0066 28.0011 27.9960 28.0083 27.9978 28.0108 28.0088 28.0088 28.0139 28.0092 28.0092 28.0049 28.0111 28.0120 28.0093 28.0116 28.0102 28.0139 28.0113 28.0158 28.0156 28.0137 28.0236 28.0171 28.0224 28.0184 28.0199 28.0190 28.0204 28.0170 28.0183 28.0201 28.0182 28.0183 28.0175 28.0127 28.0211 28.0057 1.4.2.7.1. Background and Data http://www.itl.nist.gov/div898/handbook/eda/section4/eda4271.htm (9 of 23) [5/1/2006 9:58:55 AM] 28.0180 28.0183 28.0149 28.0185 28.0182 28.0192 28.0213 28.0216 28.0169 28.0162 28.0167 28.0167 28.0169 28.0169 28.0161 28.0152 28.0179 28.0215 28.0194 28.0115 28.0174 28.0178 28.0202 28.0240 28.0198 28.0194 28.0171 28.0134 28.0121 28.0121 28.0141 28.0101 28.0114 28.0122 28.0124 28.0171 28.0165 28.0166 28.0159 28.0181 28.0200 28.0116 28.0144 28.0141 28.0116 28.0107 1.4.2.7.1. Background and Data http://www.itl.nist.gov/div898/handbook/eda/section4/eda4271.htm (10 of 23) [5/1/2006 9:58:55 AM] [...]...1.4 .2. 7.1 Background and Data 28 .0169 28 .0105 28 .0136 28 .0138 28 .0 114 28 .0 122 28 .0 122 28 .0116 28 .0 025 28 .0097 28 .0066 28 .00 72 28.0066 28 .0068 28 .0067 28 .0130 28 .0091 28 .0088 28 .0091 28 .0091 28 .0115 28 .0087 28 .0 128 28 .0139 28 .0095 28 .0115 28 .0101 28 .0 121 28 .0 114 28 .0 121 28 .0 122 28 .0 121 28 .0168 28 . 021 2 28 . 021 9 28 . 022 1 28 . 020 4 28 .0169 28 . 0141 28 .01 42 28. 0147 28 .0159 28 .0165 28 . 0144 28 .01 82 28.0155... http://www.itl.nist.gov/div898 /handbook/ eda/section4/eda 427 1.htm (11 of 23 ) [5/1 /20 06 9:58:55 AM] 1.4 .2. 7.1 Background and Data 28 .0155 28 .01 92 28. 020 4 28 .0185 28 . 024 8 28 .0185 28 . 022 6 28 . 027 1 28 . 029 0 28 . 024 0 28 .03 02 28. 024 3 28 . 028 8 28 . 028 7 28 .0301 28 . 027 3 28 .0313 28 . 029 3 28 .0300 28 .0344 28 .0308 28 . 029 1 28 . 028 7 28 .0358 28 .0309 28 . 028 6 28 .0308 28 . 029 1 28 .0380 28 .0411 28 .0 420 28 .0359 28 .0368 28 .0 327 28 .0361 28 .0334 28 .0300 28 .0347... Data 28 .0707 28 .1008 28 .0971 28 .0 826 28 .0857 28 .0984 28 .0869 28 .0795 28 .0875 28 .1184 28 .0746 28 .0816 28 .0879 28 .0888 28 .0 924 28 .0979 28 .07 02 28.0847 28 .0917 28 .0834 28 .0 823 28 .0917 28 .0779 28 .08 52 28.0863 28 .09 42 28.0801 28 .0817 28 .0 922 28 .0 914 28 .0868 28 .08 32 28.0881 28 .0910 28 .0886 28 .0961 28 .0857 28 .0859 28 .1086 28 .0838 28 .0 921 28 .0945 28 .0839 28 .0877 28 .0803 28 .0 928 http://www.itl.nist.gov/div898 /handbook/ eda/section4/eda 427 1.htm... 23 ) [5/1 /20 06 9:58:55 AM] 1.4 .2. 7.1 Background and Data 28 .0 421 28 .04 32 28. 021 1 28 .0363 28 .0436 28 .0619 28 .0573 28 .0499 28 .0340 28 .0474 28 .0534 28 .0589 28 .0466 28 .0448 28 .0576 28 .0558 28 .0 522 28 .0480 28 .0444 28 .0 429 28 .0 624 28 .0610 28 .0461 28 .0564 28 .0734 28 .0565 28 .0503 28 .0581 28 .0519 28 .0 625 28 .0583 28 .0645 28 .06 42 28.0535 28 .0510 28 .05 42 28.0677 28 .0416 28 .0676 28 .0596 28 .0635 28 .0558 28 .0 623 28 .0718... http://www.itl.nist.gov/div898 /handbook/ eda/section4/eda 427 1.htm (20 of 23 ) [5/1 /20 06 9:58:55 AM] 1.4 .2. 7.1 Background and Data 28 .0885 28 .0940 28 .0856 28 .0849 28 .0955 28 .0955 28 .0846 28 .0871 28 .08 72 28.0917 28 .0931 28 .0865 28 .0900 28 .0915 28 .0963 28 .0917 28 .0950 28 .0898 28 .09 02 28.0867 28 .0843 28 .0939 28 .09 02 28.0911 28 .0909 28 .0949 28 .0867 28 .09 32 28.0891 28 .09 32 28.0887 28 .0 925 28 .0 928 28 .0883 28 .0946 28 .0977 28 .0 914 28 .0959 28 .0 926 28 .0 923 28 .0950 28 .1006... 28 .0616 28 . 029 8 28 .0 726 28 .0695 28 .0 629 28 .0503 28 .0493 28 .0537 28 .0613 28 .0643 28 .0678 28 .0564 28 .0703 28 .0647 28 .0579 28 .0630 28 .0716 28 .0586 28 .0607 28 .0601 28 .0611 28 .0606 28 .0611 28 .0066 28 .04 12 28.0558 28 .0590 28 .0750 28 .0483 28 .0599 28 .0490 28 .0499 28 .0565 28 .06 12 28.0634 28 .0 627 28 .0519 28 .0551 28 .0696 28 .0581 28 .0568 28 .05 72 28.0 529 http://www.itl.nist.gov/div898 /handbook/ eda/section4/eda 427 1.htm... 28 .0736 28 .0635 28 .0600 28 .0 520 28 .0695 28 .0608 28 .0608 28 .0590 28 . 029 0 28 .0939 28 .0618 28 .0551 28 .0757 28 .0698 28 .0717 28 .0 529 28 .0644 28 .0613 28 .0759 28 .0745 28 .0736 28 .0611 28 .07 32 28.07 82 http://www.itl.nist.gov/div898 /handbook/ eda/section4/eda 427 1.htm (18 of 23 ) [5/1 /20 06 9:58:55 AM] 1.4 .2. 7.1 Background and Data 28 .06 82 28.0756 28 .0857 28 .0739 28 .0840 28 .08 62 28.0 724 28 .0 727 28 .07 52 28.07 32 28.0703... 28 .0 924 28 .0963 28 .0893 28 .0956 http://www.itl.nist.gov/div898 /handbook/ eda/section4/eda 427 1.htm (21 of 23 ) [5/1 /20 06 9:58:55 AM] 1.4 .2. 7.1 Background and Data 28 .0980 28 .0 928 28 .0951 28 .0958 28 .09 12 28.0990 28 .0915 28 .0957 28 .0976 28 .0888 28 .0 928 28 .0910 28 .09 02 28.0950 28 .0995 28 .0965 28 .09 72 28.0963 28 .0946 28 .09 42 28.0998 28 .0911 28 .1043 28 .10 02 28.0991 28 .0959 28 .0996 28 .0 926 28 .10 02 28.0961 28 .0983... 28 .0411 28 .0507 28 .0459 28 .0519 28 .0554 28 .05 12 28.0507 28 .05 82 28.0471 28 .0539 28 .0530 28 .05 02 28.0 422 28 .0431 28 .0395 28 .0177 28 .0 425 28 .0484 28 .0693 28 .0490 28 .0453 28 .0494 28 .0 522 28 .0393 28 .0443 28 .0465 28 .0450 28 .0539 28 .0566 28 .0585 http://www.itl.nist.gov/div898 /handbook/ eda/section4/eda 427 1.htm (14 of 23 ) [5/1 /20 06 9:58:55 AM] 1.4 .2. 7.1 Background and Data 28 .0486 28 .0 427 28 .0548 28 .0616 28 . 029 8... 28 .0359 28 .0344 28 .0370 28 .0355 28 .0371 28 .0318 28 .0390 28 .0390 http://www.itl.nist.gov/div898 /handbook/ eda/section4/eda 427 1.htm ( 12 of 23 ) [5/1 /20 06 9:58:55 AM] 1.4 .2. 7.1 Background and Data 28 .0390 28 .0376 28 .0376 28 .0377 28 .0345 28 .0333 28 .0 429 28 .0379 28 .0401 28 .0401 28 .0 423 28 .0393 28 .03 82 28.0 424 28 .0386 28 .0386 28 .0373 28 .0397 28 .04 12 28.0565 28 .0419 28 .0456 28 .0 426 28 .0 423 28 .0391 28 .0403 28 .0388 . AM] 28 .0169 28 .0105 28 .0136 28 .0138 28 .0 114 28 .0 122 28 .0 122 28 .0116 28 .0 025 28 .0097 28 .0066 28 .00 72 28.0066 28 .0068 28 .0067 28 .0130 28 .0091 28 .0088 28 .0091 28 .0091 28 .0115 28 .0087 28 .0 128 28 .0139 28 .0095 28 .0115 28 .0101 28 .0 121 28 .0 114 28 .0 121 28 .0 122 28 .0 121 28 .0168 28 . 021 2 28 . 021 9 28 . 022 1 28 . 020 4 28 .0169 28 . 0141 28 .01 42 28. 0147 28 .0159 28 .0165 28 . 0144 28 .01 82 28.0155 1.4 .2. 7.1. Background. AM] 28 .0180 28 .0183 28 . 0149 28 .0185 28 .01 82 28.01 92 28. 021 3 28 . 021 6 28 .0169 28 .01 62 28.0167 28 .0167 28 .0169 28 .0169 28 .0161 28 .01 52 28.0179 28 . 021 5 28 .0194 28 .0115 28 .0174 28 .0178 28 . 020 2 28 . 024 0 28 .0198 28 .0194 28 .0171 28 .0134 28 .0 121 28 .0 121 28 . 0141 28 .0101 28 .0 114 28 .0 122 28 .0 124 28 .0171 28 .0165 28 .0166 28 .0159 28 .0181 28 . 020 0 28 .0116 28 . 0144 28 . 0141 28 .0116 28 .0107 1.4 .2. 7.1 AM] 27 .8953 27 .8970 27 .9190 27 .9180 27 .8997 27 . 920 4 27 . 923 4 27 .90 72 27.91 52 27.9091 27 .88 82 27.9035 27 . 926 7 27 .9138 27 .8955 27 . 920 3 27 . 923 9 27 .9199 27 .9646 27 .9411 27 .9345 27 .87 12 27. 9145 27 . 925 9 27 .9317 27 . 923 9 27 . 924 7 27 .9150 27 .9444 27 .9457 27 .9166 27 .9066 27 .9088 27 . 925 5 27 .93 12 27.9439 27 . 921 0 27 .91 02 27.9083 27 .9 121 27 .9113 27 .9091 27 . 923 5 27 . 929 1 27 . 925 3 27 .90 92 1.4 .2. 7.1.