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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.

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Presentation on theme: "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."— Presentation transcript:

1 Control Chart fo Attribute

2 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

3 Sampel number Numb. Of nonconformities Sampel number Numb of nonconformities 151411 24159 37165 46177 58186 651910 76208 85219 916229 10 237 119245 127257 138Total189 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 untuk memetakan jumlah cacat dalam 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 ∑ i=1 g ci n g Jika ukuran sub group bervariasi ui = ci / ni ∑ i=1 g ci ni u = ∑ i=1 g UCLu/LCLu = u + 3 u/ni

5 Sample number Amount of inspected in m2 Numb. Of non conformities ci Sample number Amount of inspected in m2 Numb. Of non conformities ci 1200 5 11300 9 2 14 12250 16 3250 8 13200 12 4150 8 14250 10 5250 12 15100 6 6 6 16200 8 7 20 17200 5 8150 10 18100 5 9150 6 19300 14 10250 10 20200 8 Total Bangun bagan kendali bagi jumlah cacat dalam 100m 2

6 Sample number Amount of inspected in m2 Numb. Of non conformities Per 100m2 ui 6.4Sample n6umber 4 Amount of inspected in m2 Numb. Of non conformities Per 100m2 ui 122.51133 234.667122.56.4 32.53.21326 41.55.333142.54 5 4.81516 661624 72101722.5 81.56.6671815 91.541934.667 102.542024 Total41 u = 192 / 41 = 4.683 UCL/LCL = 4.683 + 3 √ 4.683/2 = 9.274 dan 0.092

7 Sam numniuiUCLLCL 122.59.2740.092 234.6678.4310.935 32.53.28.7890.577 41.55.3339.9840 52.54.88.7890.577 61611.1750 72109.2740.092 81.56.6679,9840 91.549.9840 102.548.7890.577 11338.4310.935 122.56.40.577 13269.2740.092 142.548.7890.577 151611.1750 16249.2740.092 1722.59.2740.092 181511.1750 1934.6678.4310.935 20249.2740.092 Total41


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