Calculate the coefficient of correlation

Reference no: EM131195922

1. Calculate the coefficient of correlation.

Years	2001	2002	2003	2004	2005	2006	2007	2008
Index production	100	102	104	107	105	112	103	99
Calculate the coefficent of correation	15	12	13	11	12	12	19	26

2. Calculate the coefficient of correlation.

Size-group	15-16	16-17	17-18	18-19	19-20	20-21
No. of item	200	270	340	360	400	300
No. of defective items	150	162	170	180	180	114

3. Find the correlation coefficient and regression lines for the following data:

X	1	2	3	4	5
Y	2	5	3	8	7

Reference no: EM131195922

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