Question about Texas Instruments TI-84 Plus Calculator
1.Press [MODE], scroll to set Function graphing mode.
2.Press [STAT] [5:SetUpEditor], command is pasted in home screen. Press [ENTER]. Screen displays Done. This clears old values in lists
3. Press [STAT][1:Edit] to enter data.
Press [ENTER] after each number. Cursor moves to next row. After finishing the data of Listt L1, use arrow right and UP to the head of list L2. Enter the values in list L2. Press Enter after last element.
4. Press [Y=] to display Y= editor. Clear function Y1 and all functions or remove highlight from the = in Y2, Y3, etc.
5.Press [2nd][STATPLOT]1 to select 1:Plot1
The blinking cursor on ON means graph will be drawn. Type chosen is Scatter plot. Mark chosen is a dot.
If you think that the curve look like a straight line you can try to do a linear regression.
Press [STAT] Arrow right to highlight [CALC]
LinReg(ax+b) echoes on run screen. Press [2nd] L1 Press comma, Press [2nd] L2 prHow do I use stat plot to graph a set of points? - 68a28f1.jpgress [VARS] Arrow right to select [Y:VAHow do I use stat plot to graph a set of points? - ff52832.jpgion] [ENTER][1:Y1]
That is the equation for the linear regression. As you see eqaution has been saved in Y1. Press [GRAPH] to get the data and the regression curve drawn on same graph.
Hope it helps.
Posted on Oct 04, 2009
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Posted on Jan 02, 2017
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