X → Y Regression (Simple Linear)
1) Input
Independent values (X) — comma/space/newline separated
Dependent values (Y) — comma/space/newline separated
Predict at X =
Confidence level
90%
95%
99%
Compute
Load sample
Clear
2) Results (menu)
Compute to see results.
Data summary
Totals & cross-products
Sxx, Syy, Sxy
Fitted model
Prediction & confidence interval
Slope test & R²
Graph (scatter + fitted line)
Points = (x, y), line = fitted model, red marker = prediction at X.