## Math Problem Statement

answer the following using the picture above : a) using the pairs of values for all 10 points, find the equation of the regression line. b) after removing the point with coordinates (8,9), use the pairs of values for the remaining 9 points and find the equation of the regression line. c) compare the results from part (a) and (b).

## Solution

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## Math Problem Analysis

### Mathematical Concepts

Linear Regression

Outliers

Statistics

### Formulas

y = mx + b

Slope: m = Σ(xi - x̄)(yi - ȳ) / Σ(xi - x̄)^2

Intercept: b = ȳ - m*x̄

### Theorems

Least Squares Method

### Suitable Grade Level

Grade 9-12

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