Hi Using Excel Spreadsheet, entering Data is 2 Columns and using the CORREL function: =CORREL(x's, y's) 5 20.8 6 20.48 7 25..96 8 27.44 9 27.62 10 29 11 34.28 12 33.96 13 35.44 14 39.9 r = 0.986183776 0r r = .986 (to three decimal places) Wish You the Best in your Studies.