Scatter Plot

UKM APPS

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catter Plot is a fast, fully offline app that shows how two things relate. Type paired (X, Y) values and instantly see the correlation, the line of best fit, and a prediction for any X you choose.

A scatter plot is the fastest way to see whether two variables move together, move oppositely, or don't relate at all - and the regression line turns that pattern into an equation you can actually use.

WHAT'S INSIDE

Calculator
Type your X,Y pairs and get Pearson r, R-squared, covariance, the slope and intercept, and the full regression equation, all updating live.

Chart
The signature view - every point plotted with the least-squares regression line drawn through them, plus a plain-language verdict on the strength of the relationship.

Concept
A plain-English walkthrough of correlation, the line of best fit, and why correlation is not causation - with formulas rendered in offline KaTeX.

Simulate
Drag a correlation dial from -1 to +1 and watch the scatter pull into or out of a line in real time.

Examples
Real relationships - study hours vs score, temperature vs hot chocolate sales - that load with one tap.

Predict
Type any X and get the predicted Y straight off your fitted line - no algebra required.

WHY SCATTER PLOT

- 100% offline - your data never leaves your device
- No account, no sign-up, no clutter
- A distinctive dropdown section selector, built just for this app
- Pearson r, R-squared, covariance, and the full regression line - not just one number
- Input is never lost - your (X, Y) pairs are saved automatically

Whether you're a student learning what correlation actually measures, a researcher checking a relationship in real data, or just want to predict Y from X without doing the algebra, Scatter Plot gives you the answer in seconds.

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