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9. The following table gives the distribution of items of production and also the relatively defective items among them, according to size groups. Find the correlation coefficient between size and defect in quality and its probable error. Size-group 15-16 16-17 17-18 18-19 19-20 20-21 No. of items 200 270 340 : 360 400 300 No. of defective items 150 162 170 180 : 180 114

9. The following table gives the distribution of items of production and also the relatively defective items among them, according to size groups. Find the correlation coefficient between size and defect in quality and its probable error. Size-group 15-16 16-17 17-18 18-19 19-20 20-21 No. of items 200 270 340 : 360 400 300 No. of defective items 150 162 170 180 : 180 114

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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9. The following table gives the distribution of items of production and also the relatively defective items among them, according to size groups. Find the correlation coefficient between size and defect in quality and its probable error. Size-group 15-16 16-17 17-18 18-19 19-20 20-21 No. of items 200 270 340 : 360 400 300 No. of defective items 150 162 170 180 : 180 114
Transcribed Image Text:9. The following table gives the distribution of items of production and also the relatively defective items among them, according to size groups. Find the correlation coefficient between size and defect in quality and its probable error. Size-group 15-16 16-17 17-18 18-19 19-20 20-21 No. of items 200 270 340 : 360 400 300 No. of defective items 150 162 170 180 : 180 114
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