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  • Nathan Laughton

How to use the STAT button on your TI-84 calculator

Take a look below to learn everything you need to know about the STAT button on your calculator: how to find trend-lines of all kinds; how to find the mean, median, standard deviation, and interquartile range of a data set; how to use frequency tables; how to graph scatter plots, histograms, box-and-whisker plots; and more. Plus troubleshooting tips for some of the most common problems, like lists disappearing or the R² value not displaying for regression models.

Find a linear regression or trend-line

Find a quadratic, cubic, quartic, logarithmic , exponential, or logistic regression

Graph a scatter plot

Turn on R² value (correlation coefficient) for linear regression

Find 5 number summary (max, min, median, first quartile, third quartile), mean (average), and standard deviation of a list

Input a frequency table

Draw a box and whisker plot

Draw a histogram

Restore missing lists (L1, L2...) under STAT > Edit

Clear a list


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