Q17 [3 pts]: In mm1, the p-value for the t test of the coeff…

Q17 : In mm1, the p-value for the t test of the coefficient of Petal.Length is . In mm2, Petal.Length is still a significant predictor but it is no longer as significant as the p-value is increased to . Explain why the p-value increases when a second predictor Petal.Width is added to the model?