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Control Chart fo Attribute

Control Chart fo Attribute. c-Chart untuk jumlah jenis cacat (n konstan). No Standard Given Cl c = c UCL c = c + 3 √ c UCL c = c - 3 √ c Standard Given Cl c = c o UCL c = c o + 3 √ c o UCL c = c o - 3 √ c o.

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Control Chart fo Attribute

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  1. Control Chart fo Attribute

  2. c-Chart untuk jumlah jenis cacat (n konstan) • No Standard Given • Clc = c • UCLc = c + 3 √ c • UCLc = c - 3 √ c • Standard Given • Clc = co • UCLc = co + 3 √ co • UCLc = co - 3 √ co

  3. CLc = 189/25 = 7.560 UCLc = 7.560 + 3 √ 7.560 = 15.809 LCLc = 7.560 – 3 √ 7.560 = -0.689 0 Setelah data no 9 dikoreksi CLc = (189-16) /24 = 7.208 UCLc = 7.208 + 3 √ 7.208 = 15.262 LCLc = 7.208– 3 √ 7.208= -0.846 0

  4. u-Chart untukmemetakanjumlahcacatdalam per unit • Jika ukuran sub grup konstan (n konstan) sampel = i jumlah cacat per unit = ui ui = ci/n u = UCLu/LCLu = u + 3 u/n • Jika ukuran sub group bervariasi • ui = ci / ni g ∑ ci g i=1 u = ∑ ci g i=1 ∑ ni i=1 n g UCLu/LCLu = u + 3 u/ni

  5. Bangun bagan kendali bagi jumlah cacat dalam 100m2

  6. u = 192 / 41 = 4.683 UCL/LCL = 4.683 + 3 √ 4.683/2 = 9.274 dan 0.092

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