Seeing if the speed of a car will affect the stopping distance, using a simple linear regression.

This project explores the relationship between advertising spend and sales using simple linear regression. Using a marketing dataset that includes TV, radio, and newspaper advertising, the analysis evaluates how different channels impact sales performance. Visualizations and statistical results are used to support data-driven insights, highlighting that TV advertising has the strongest influence on sales, while radio shows a weaker but still positive relationship.

Forecasting: Principles and Practice (3rd ed.). Exercise pages for Sections 1.8, 2.10, 3.7, 5.11, 7.10, 8.8, and 9.11

An introduction to simple linear regression using R, including model theory, coefficient estimation, and a worked example with visualizations using ggplot2 and plotly.