The following formula is used for calculating the Pearson's r correlation: =y-= [N-(C)][N-()] 6) , ? a) 680, 1555 Using the following data, solve questions 6-10: X y 55 120 85 145 90 175 65 150 69 140 82 130 b) 692, 1445 66 175 c) 750, 1445 50 130 d) 870, 1560 60 170 70 110 7) xy? a) 100500 b) 100695 c) 100495 d) 100295 8) ?? a) 49216 b) 49316 c) 49416 d) 49516 9) Zy? a) 213375 b) 213475 c) 213575 d) 213675 10) r value? a) 0.559451456 b) 0.459451456 c) 0.359451456 d) 0.259451456