Correlation coefficients can mean a positive, negative, ... A graphing calculator, such as a TI-84, can also be used to calculate the correlation coefficient.

Learn how to plot coordinates and create straight line graphs to show the relationship between two variables. Also, plot graphs that contain a negative coefficient of x.

Negative temperature coefficient (NTC) ... The graph below shows the total number of publications each year in Negative Temperature Coefficient Ceramics And Thin Films.