A trader dealing in sales of fruits introduced hot coffee 10 days ago during the onset to winter season. He is interested in the sales behaviour of watermelons and hot coffee. Sales data over the last 10 days has been presented below: Day 1 2 3 4 5 6 7 8 9 10 Watermelon (units) 48 45 51 43 38 42 37 32 26 28 Hot Coffee (units) 67 72 70 78 81 79 84 82 72 93 Required: Calculate the Spearman's rank correlation Question 5Answer A. R=-0.71 B. R=+0.77 C. R=+0.66 D. R=-0.68