subtitle: A Review Specific to the State of Arizona in 2025

Presentation on A/B testing.

This presentation demonstrates simple linear regression using the mtcars dataset to model the relationship between car weight and fuel efficiency. It includes model interpretation, regression and residual plots, and an interactive visualization to explore the data.

Define variables: 1) Dependent variable (the outcome you are interested in) (x) 2) Independent variable(s) (the variables which you think affect the outcome) (y) Define your hypotheses: 1) Null hypothesis - there is NO EFFECT of y on x 2) Alternative hypothesis - there is SOME EFFECT of y on x Give me a few good paragraphs explaining your hypothesis and identifying your variables.

This a first try to Publish in RPubs to learn how to use the tool.