The stream reaeration coefficient (Y) is related to the water temperature (T) in °C. Fit the following with a linear model and make a complete assessment of the results (use α = 10% where necessary):

X 14 23 17 11 20 15 18 11 25 19 13 24 16 23 21 Y 2.89 4.20 4.17 3.69 3.78 3.56 3.35 2.69 3.58 3.06 2.41 3.30 3.05 4.18 4.08