![]() ![]() ![]() Pressį3 or click Recall SigmaXL Dialog to recall last dialog. Now we want to redo the Scatter Plot and stratify by Customer Type.R-squared * 100 is the percent variation of Y explained by X (here 10.3%). The equation is based on linear regression, using the method of least squares. The resulting Scatter Plot is shown with equation, trend line, 95% confidence interval (blue lines – for a given X value this is the 95% confidence interval for predicted mean Overall Satisfaction) and 95% prediction interval (red lines – for a given X value this is the 95% confidence interval for predicted individual values of Overall Satisfaction). Check Trendline, 95% Confidence Interval and 95% Prediction Interval as shown: Select Overall Satisfaction, click Numeric Response (Y) > selectĪvg Days Order Time to Delivery, click Numeric Predictor (X1) >.SigmaXL > Graphical Tools > Scatter Plots if necessary, click ![]()
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