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can excel automtically graph things with given data?
I have to do a lab report for school and my teacher told me to go on excel
and insert the data that it will automatically give you a line graph with a best-fit line. Please help me!!!!!!!!!!! Thank you |
#2
Posted to microsoft.public.excel.charting
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can excel automtically graph things with given data?
Start by putting the first x-value in cell A1 (the cell under column A, next
to row 1). Put the other x-values below this. Put the y-values in column B Select any one of the cells with data; click the chart wizard on the tool bar I expect you want an XY chart Now you can experiment; make the chart large/smaller; change the scale; etc. See if there is an Excel book in the school library Or visit Jon's excellent site Peltier Technical Services, Inc. - http://PeltierTech.com best wishes -- Bernard V Liengme Microsoft Excel MVP www.stfx.ca/people/bliengme remove caps from email "westhighgirl" wrote in message ... I have to do a lab report for school and my teacher told me to go on excel and insert the data that it will automatically give you a line graph with a best-fit line. Please help me!!!!!!!!!!! Thank you |
#3
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can excel automtically graph things with given data?
It's not a completely automatic process, but it's still pretty easy.
Enter the data, with X values in one column and Y values in the next. Select the data, run the Chart Wizard (Insert menu Chart, or the little chart icon on the toolbar). In step 1 choose an XY (scatter) type, NOT a line type. Right click on the series of points in the chart, and select Trendline. The default trendline is a linear fit. On the trendline dialog, click on the Options tab and check the Show Equation and Show R-squared boxes. When the line and equation appear, you should click on the equation, then use the toolbar icon to increase the displayed decimals in the formula. To get the slope, intercept, and correlation coefficient in the worksheet, use =Slope(<y values,<x values) =Intercept(<y values,<x values) =Correl(<y values,<x values) where <y values and <x values are the ranges used to plot the Y and X values in the chart. My daughter is doing statistics in her algebra class, and I showed her this capability, and also how to enter formulas into Excel. After a week or more on the statistics unit, she finally understands what the best fit means, and what residuals are. I guess the book didn't have good diagrams, but nothing beats an interactive process like this, especially when you are not bogged down doing all the calculations on a pocket calculator. - Jon ------- Jon Peltier, Microsoft Excel MVP Tutorials and Custom Solutions Peltier Technical Services, Inc. - http://PeltierTech.com _______ "westhighgirl" wrote in message ... I have to do a lab report for school and my teacher told me to go on excel and insert the data that it will automatically give you a line graph with a best-fit line. Please help me!!!!!!!!!!! Thank you |
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