Question: 6. A quality-control apprentice is preparing a CUSUM chart. The values calculated for SL and SH are presented in the following table. Three of the
6. A quality-control apprentice is preparing a CUSUM chart. The values calculated for SL and SH are presented in the following table. Three of the values have been calculated incorrectly. Which are they? Sample SL SH 10 0 20 0 30 0 4 −1.3280 0 5 −1.4364 0 6 −2.0464 0 7 −1.6370 0 8 −0.8234 0.2767 9 −0.4528 0.1106 10 0 0.7836 11 0.2371 0.0097 12 0.7104 0 13 0 0.2775 14 0 0.5842 15 0 0.3750 16 0 0.4658 17 0 0.1866 18 0 0.3277 19 −0.2036 0 20 0 −0.7345
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