 Solution

ID: past-exam-of-the-mathematics-course-of-the-university-of-cambridge/2023/ii/paper-4/5j/i/solution

Codex  0 Created 2026-09-24 Updated 2026-09-25

Use the R linear-model formula with only its implicit intercept:

fit1 <- lm(log(price) ~ 1, data = cars)

This models every log-price by one common mean plus an error term.

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