18.104.22.168 - SLR in Minitab Express
MinitabExpress – Simple Linear Regression
We previously created a scatterplot of quiz averages and final exam scores and observed a linear relationship. Here, we will use quiz scores to predict final exam scores.
- Open the data set:
- On a PC or Mac: Select STATISTICS > Regression > Simple Regression
- Double click Final in the box on the left to insert it into the Response (Y) box on the right
- Double click Quiz_Average in the box on the left to insert it into the Predictor (X) box on the right
- Under the Graphs tab, click the box for Residual plots (We'll learn more about these in Lesson 10)
- Click OK
This should result in the following output:
|Source||DF||Adj SS||Adj MS||F-Value||P-Value|
Final = 12.12 + 0.7513 Quiz_Average
R Large residual
Select your operating system below to see a step-by-step guide for this example.
In the output in the above example we are given a simple linear regression model of Final = 12.12 + 0.7513 Quiz_Average
This means that the y-intercept is 12.12 and the slope is 0.7513.