INFO 180 A Stats quiz

Consider age-income data below   It describes age and income of 10 people.  You compute regression in the form 𝑦 𝑖 = 𝛽 0 + 𝛽 1 ⋅ 𝑎 𝑔 𝑒 𝑖 + 𝜖 𝑖 (or lm(income ~ age) in R formulation). Th...