# How do you make a dot plot on a TI 84 Plus?

| **Scatter Diagram Procedure**

- Collect pairs of data where a relationship is suspected.
- Draw a graph with the independent variable on the horizontal axis and the dependent variable on the vertical axis.
- Look at the pattern of points to see if a relationship is obvious.
- Divide points on the graph into four quadrants.

Subsequently, question is, how do you draw a line of best fit on a TI 84 Plus CE? **Finding the Line of Best Fit (Regression Analysis).**

- Press the STAT key again.
- Use the TI-84 Plus right arrow to select CALC.
- Use the TI-84 Plus down arrow to select 4: LinReg (ax+b) and press ENTER on the TI-84 Plus, and the calculator announces that you are there and at Xlist: L1.

Beside above, how do you superimpose a regression curve on a scatter plot?

**TI-84: Non-Linear Regressions**

- Make sure your Plot 1 is ON. Select the Scatter Plots and the appropriate lists.
- Clear all functions in [Y=]
- Input data in L1 and L2. Go to [Stat] [Enter] to input data.
- Graph data points.
- Choose a regression from the list in [Stat] “CALC”.
- Go to [ZOOM] “9: ZoomSTat” to view the data with the regression curve.

How do you find the line of best fit on a TI 83 Plus?

- Step 1: Enter the data in your calculator. Press …, then press 1: Edit …
- Step 2: Find the Linear Regression Equation. Press …, then ~, in order to highlight CALC , then select 4: LinReg(ax+b). You should see this screen.
- Step 3: Graphing your data AND the line of best fit. First, graph the data. Press y o (STAT PLOT).

### How do you graph a table on TI 84?

Automatically generated tables with the TI-84 Plus Highlight the equal sign of those functions in the Y= editor that you want to appear in the table. Press [2nd][WINDOW] to access the Table Setup editor. Enter a number in TblStart, and then press [ENTER]. Enter a number in. Press [2nd][GRAPH] to display the table.

### How do you find linear regression on a TI 84 Plus?

TI-84: Least Squares Regression Line (LSRL) Enter your data in L1 and L2. Note: Be sure that your Stat Plot is on and indicates the Lists you are using. Go to [STAT] “CALC” “8: LinReg(a+bx). This is the LSRL. Enter L1, L2, Y1 at the end of the LSRL. [2nd] L1, [2nd] L2, [VARS] “Y-VARS” “Y1” [ENTER] To view, go to [Zoom] “9: ZoomStat”.

### How do you plot points on a graph?

To graph a point, first locate its position on the x-axis, then find its location on the y-axis, and finally plot where these meet. The center point of the graph is called the origin and is written as the point (0, 0) because it’s located at the zero point on the x-axis and the zero point on the y-axis.

### How do you find the Y intercept?

To find the y intercept using the equation of the line, plug in 0 for the x variable and solve for y. If the equation is written in the slope-intercept form, plug in the slope and the x and y coordinates for a point on the line to solve for y.

### How do you graph a triangle on a graphing calculator?

TI-84 Plus Graphing Calculator For Dummies Select the appropriate tool from the DRAW menu. Use the arrow keys to move the cursor to the location on the screen where you want to construct the first point of the triangle or arc.

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