In a corner and drag the mouse until all boxes are selected. Set the data range by selecting all the data. Press the chart button in the toolbar, OR under Insert inĥ. Such as density, complete the following steps:ģ. To show a linear relationship using Excel, The spreadsheet will automatically change the row numbers in the formula for each entry. On the Home screen, at the far right in the Editing menu, select "Fill" and "Down". Click on that box, and drag down to the bottom of the data. To calculate the density column, enter the formula "= B2/A2" to divide the mass by the volume in the first box (C2). Here is a sample density plot from class data obtained by an AP Chemistry class. Right click on the chart, and select Format Chart Area.
Be sure the plot takes up most of the space. You can adjust the axis properties by right clicking on the axis, and select Format Axis. Make any final adjustments to make the graph clear and readable. Move objects around so they are clearly visible. If you want to discuss the R2 value, select it as well. To show the equation of the line (y=mx +b), check the "Show Equation" box. If the plot is to go thru the origin, check the "Set Intercept" box, and enter 0 in the box. 
To draw a straight line thru the data, right click on a data point, and select "Add Trendline". Don’t forget the units! (Use rotated on the vertical axis.) Also, select Chart Title to add a title for the entire chart. Click on Axis Titles in the Labels submenu. At the top, there will be a green area labeled Chart Tools. If X and Y are backwards, re-select the values on this window.) For example, on a density plot the mass should be on the Y-axis, and volume on the X-axis. (If you put Y as column A and X as column B, this will be done automatically. Make sure the proper X and Y values are selected. 
Click on Series1 (on the left) if it is not already selected, and press the Edit button just above it.
Right click on the graph, and select Select Data. Select the first option, scatter with only markers. (Click in a corner and drag the mouse until all boxes are selected. Set the data range by selecting all the data. To show a linear relationship using Excel, such as density, complete the following steps: #Excel linear regression for plot how to
How to Make a Linear Plot using Microsoft Excel 2010 To Make a Linear Plot using Microsoft Excel
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