hi i am doing a degree in fisheries management and aquaculture and have produced a graph using microsoft excel comparing the length and weight of fish.

ive added a trendline and used this to produce this regression equation! i dont know how to use this equation and im not very mathmatically minded(Angry)! can any1 help me??(Clapping)

sorry if this is in the wrong section of the forum!!

y=0.0344x2.9756

r2=0.9822