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Sample N. Number of carpets Inspected N. Of Defects 1 25 12 2 20 5 25 6 25 7 5 15 6 15 7 25 7 15 6 25 5 10 20 10 Construct a

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Given data No of Defecks Sample No Na at carpets inspecte 1 25 12 20 3 257 4 25 4 25 2S 10 26 210 70 Total To number of carpeThen, UcL = P+3 P1-F) 3 3. X 2 1 21 O.642 0.333 P 3 LC1 LCL O. 025 Noddefeet No of Inspected proportion of defects Sample Q.4Now plotting the control limits on a graph paper and plotting the proportion of defects corresponding to the sample in the graph. We get

Control Charl F char -0-642 UCLE OS O4 CL-0:333 27 PLEEO02 Sample Yfr ppodorclearly we can see that all the points are within the control limits. So we can say that the process is under control.

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