Using the estimated regression coefficients from below, what is the best interpretation for the slope term?

(Intercept)

-7.26486777011009

flipper_length_mm

0.254768162900436

Options:

For a one unit change in flipper length, the bill length of a penguindecreasesby 0.25 mm, on average.

For a one unit change in bill length, the flipper length of a penguinincreasesby 0.25 mm, on average.

For a one unit change in flipper length, the bill length of a penguinincreasesby 0.25 mm, on average.