Question

Practice Problem- Correlation The following scores are measures for pull-ups (X) and push-ups (Y). Using the Pearson Product Moment Correlation Coefficient formula, determine the relationship between the two sets of scores. Formula: ΝΣxy- (Σx) (Σ) VINΣx Σ)IN y2-Σy r= Subject Pull-ups (X) Push-ups (Y) х2 Y2 XY 10 15 100 225 150 2 5 5 11 6 10 7 14 3 F 1 bu16 8 9 5 do d) ABCDE GH

Answer 1

From information: - the given Here, N=8 Consider, Subject x Ty x² X2 XY T10 100 225 L 150 25 10 SS 5 6 7 1125 181 10 36 100 14 49 co 196 98 9 3 81 256 .64 144 .40 25 Total 45 82 321 996 560 Consider, &= Nexy-(EX) (EY) V[NEX?- ({x}] [Ney? - (EY)?] = 8x (560) - (45) (82) [8 x 321 - (45)"] [8x996-(82)2] - 4480-3690 √(343) (1244 780790 820 821.8832 & = 0.9612

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