partial Correlation For the data in the following table, X¡ 31 22 15 yi 17 51 33 78 40 77 15 39 18 15 28 80 2 99 18 7 62 30 38 Zi calculate: 1. r12,3 2. 13,2 3. 123,1

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Q: r= ? r = ? r = ? 76 176 161 38 113- 120 50 79 -38 -13 38 -76 -76 80 -3 80 20 40 60 20 60 20 40 60 80

A: