How much should a healthy Shetland pony weigh? Let x be the age of the pony (in months), and let y be the average weight of the pony (in kilograms).

x 3, 6, 12, 16, 24

y 60, 95, 140, 152, 173

x = 61, x2 = 1021, y = 620, y2 = 85,258, and xy = 9,014.

Compute r. (Round to 3 decimal places.)