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These were some of the pre-requisites before you actually proceed towards regression analysis in excel.

Negative Linear Relationship: When the independent variable increases, the dependent variable decreases.Positive Linear Relationship: When the independent variable increases, the dependent variable increases too.There are basically two types of linear relationships as well. Linear relationship means the change in an independent variable(s) causes a change in the dependent variable.

This means these are the variables using which response variables can be predicted. Independent Variable (aka explanatory/predictor variable): Is/are the variable(s) on which response variable is depend.Dependent Variable (aka response/outcome variable): This is the variable of your interest and wanted to predict based on the Independent variable(s).Linear regression is a statistical technique that examines the linear relationship between a dependent variable and one or more independent variables. #2 – Regression Analysis Using Scatterplot with Trendline in Excel.#1 – Regression Tool Using Analysis ToolPak in Excel.How to Perform Linear Regression in Excel?.

Explanation of Regression Mathematically.Excel Regression Analysis (Table of Contents)