estimate simple linear regression equation using spss

Simple Linear Regression – semi-auto calculationĪssume that we want to analyze the relationship between year of services and salary, we draw a sample of 6 employees as below. In order to find the equation, we use Least Squares Method to help us find a (intercept) and b (slope).

The regression line equation of simple linear regression is represented as Y = a + bX (same as y=mx + c which we learned in elementary school) For multiple independent variables, we call it multiple linear regression. If the linear regression model only has one independent variable, we call it simple linear regression. The straight line is known as least squares or regression line. We draw a random sample from the population and draw the best fitting straight line in order to estimate the population. Regression analysis is to predict the value of one interval variable based on another interval variable(s) by a linear equation. SPSS Excel Multiple Regression Simple Linear Regression This SPSS Excel tutorial explains how to run Simple Linear Regression in SPSS and Excel.

Estimate simple linear regression equation using spss