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Find out co-efficient of correlation between size and defect in quality of shoes (Used Assumed Mean method) Size 15-16 16-17 17-18 18-19 19-20 20-21 Number
Find out co-efficient of correlation between size and defect in quality of shoes (Used Assumed Mean method)
Size 15-16 16-17 17-18 18-19 19-20 20-21
Number of shoes produced 200 270 340 360 400 300
Number of defectives 150 162 170 180 180 114
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