Mark Wickens

back to Command Reference

COR

[FX-870P/VX-4]

Purpose

Returns the correlation coefficient based on statistically processed paired data.

Format

COR

Example

PRINT COR

Explanation

  1. Returns the correlation coefficient (r) calculated from paired (X, Y) data entered using the STAT command.
  2. The correlation coefficient ranges from -1 to 1:
    • A value close to 1 indicates a strong positive linear relationship.
    • A value close to -1 indicates a strong negative linear relationship.
    • A value close to 0 indicates little or no linear relationship.
  3. Paired data must be entered using the STAT command before using this function.

See