Name: Influential points: solution walkthrough
Uploaded: 2026-11-13
Duration: 2 min 9 s
Description: Six points are (1, 3), (2, 5), (3, 4), (4, 6), (5, 7) and (12, 3). If (12, 3) is removed, what happens to the… Try it, then watch the animated solution.

Beyond Common Core

Problem 15 of 45s12-015

Six points are $(1, 3)$ , $(2, 5)$ , $(3, 4)$ , $(4, 6)$ , $(5, 7)$ and $(12, 3)$ . If $(12, 3)$ is removed, what happens to the slope of the least-squares line and to $r$ ?

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Solution walkthrough2:09