i want to know is my ans -0.92 correct

i want to know is my ans -0.92 correct Calculate Spearman's Rank correlation of coefficient from the fo'lowin . 90 18 88 25 75 34 75 34 74 34 70 u 42 38 62 47

Dear Student
X Rank 1 y Rank 2 D = R1-R2 D
90 1 18 8 -7 49
88 2 25 7 -5 25
75 3.5 34 5 -1.5 2.25
75 3.5 34 5 -1.5 2.25
74 5 34 5 0 0
70 6 42 2 4 16
65 7 38 3 4 16
62 8 47 1 7 49
          159.5



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