# Regression and Correlation

islandbuilt

All posts must 100% original work. no plagiarism. Post results must be provided using Excel.  MAKE SURE YOU INTERPRET YOUR RESULTS ON A WORD DOCUMENT LISTING EACH CALCULATION BY STEPS FOR PEERS TO UNDERSTAND THE CALCULATION. Attach is the Forum 2 excel for the calculation.

Look back to the raw data you collected in Forum 1 attached. There are 7 variables listed:

Vehicle type/class Year Make Model Price MPG (city) MPG (highway)

Choose TWO variables that you feel are correlated and explain why you feel that they are correlated. Do you suspect the relation is positive or negative? Why? Which would be considered the independent variable, which the dependent variable? Why?

Run a regression analysis in Excel and provide the results in your post along with your raw data. Looking at the R2 value, explain what this indicates about the strength of the relation.  Then write out your Regression Equation, state if your p-value and conclusion.

I encourage you to review the Week 7 Regression PDF  at the bottom of the discussions.  This will give you a step by step example on how to calculate a correlation and run a Regression using Excel. I DO NOT recommend doing this by hand.  Let Excel do the heavy lifting for you.

• 9 days ago
• 10