Outliers · Exercise 8

Given the information in Table 12.30, which represents the relationship between final exam math grades and final exam history grades, decide whether point (56, 95) is an influential point. Explain how you arrived at your decision. Show all work.

$$\begin{array}{cc}\text{x (final exam math grades)}& \text{y (final exam history grades)}\\ \text{54}& \text{60}\\ \text{56}& \text{68}\\ \text{77}& \text{82}\\ \text{74}& \text{78}\\ \text{63}& \text{69}\\ \text{51}& \text{55}\\ \text{88}& \text{97}\\ \text{72}& \text{77}\\ \text{69}& \text{78}\\ \text{56}& \text{95}\end{array}$$

OpenStax, Statistics · §12.5 Outliers · Exercise 8