Texas Instruments TI86 User Manual - Page 211

When you select any of the first five STAT DRAW menu items, the TI-86 plots the data stored in the lists xStat and yStat. Chapter 14: Statistics 199 middle. When three are plotted, the first one plots at the top, the second in the middle, and the third at the bottom. The STAT DRAW Menu - š ) CALC EDIT PLOT DRAW VARS HIST SCAT xyLINE BOX MBOX 4 DRREG CLDRW DrawF STPIC RCPIC HIST Draws a histogram of one-variable data SCAT Draws a scatter plot of the data points xyLINE Draws the data points and a line connecting each point to the next point BOX Draws a box plot of the data points MBOX DRREG Draws a modified box plot of the data points (draw regression equation) Draws the current regression equation CLDRW (clear drawings) Displays the current graph with no drawings DrawF expression (draw function) Plots expression as a drawing STPIC (store picture) Displays the picture variable Name= prompt; enter a valid variable name, starting with a letter, and then press b to store the current picture RCPIC (recall picture) Displays the picture variable Name= prompt and menu; select or enter a valid variable name, and then press b; the stored picture is redrawn Forecasting a Statistical Data Value Using the forecast editor, you can forecast an x-value or y-value based on the current regression equation. To use the forecast editor, a regression equation must be stored to RegEq.