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Plotting means and standard deviations I already have
I have a chart that I just cannot figure out how to graph.
It is some survey results and the mean and standard deviation of each question. I want the horizontal axis to list 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, and 5.0. I want the vertical axis to list the question topic: eg, a, b, c, d, e, f, g, h, and i. For each question, I want to show the mean answer and the standard deviation on a bar, with a point for the mean and the endpoints being the +/- standard deviation. Examples of the data: Question a - Mean = 3.6875 Std. Dev. = .59387 Question b - Mean = 3.8958 Std. Dev. = .67810 Question c - Mean = 3.1875 Std. Dev. = .65730 etc. How can I set this up to create a chart like what I need, where I basically have a bar that stretches plus or minus the standard deviation, with the mean in the center? Thanks, Kim |
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#2
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Plotting means and standard deviations I already have
Kim, I may be offering a too simple solution, but I do something similar to
what you are attempting... I think. Plot the mean values on an x-y chart, then right click the data series on the chart, select Format Data Series, then Y Error Bars, then highlight "Both" by clicking on that box under "Display," click the custom and add the corresponding standard deviation column to the plus and minus fields. It'll create a graph with a mean and two tails representing the +/- std dev. From there, you could customize it in any number of ways. Hope this helps. Brad "kimhelms" wrote in message ... I have a chart that I just cannot figure out how to graph. It is some survey results and the mean and standard deviation of each question. I want the horizontal axis to list 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, and 5.0. I want the vertical axis to list the question topic: eg, a, b, c, d, e, f, g, h, and i. For each question, I want to show the mean answer and the standard deviation on a bar, with a point for the mean and the endpoints being the +/- standard deviation. Examples of the data: Question a - Mean = 3.6875 Std. Dev. = .59387 Question b - Mean = 3.8958 Std. Dev. = .67810 Question c - Mean = 3.1875 Std. Dev. = .65730 etc. How can I set this up to create a chart like what I need, where I basically have a bar that stretches plus or minus the standard deviation, with the mean in the center? Thanks, Kim |
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#3
Posted to microsoft.public.excel.charting
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Plotting means and standard deviations I already have
That's what I think I'm trying to do, but I can't get my axes right. I cannot
figure how to get my "questions" as the vertical axis. If I choose Rows, they become the data points and the values on the x and y axis have no meaning to what I am trying to do. I want it to look like below. I understand how to get the error bars in there, I think. But my bigger issue is getting the data to show in horizontal bars. question A ---------X-------- question B ---------x------- question C -----x---- (where the 'x' is the mean) Thanks, Kim "Brad" wrote: Kim, I may be offering a too simple solution, but I do something similar to what you are attempting... I think. Plot the mean values on an x-y chart, then right click the data series on the chart, select Format Data Series, then Y Error Bars, then highlight "Both" by clicking on that box under "Display," click the custom and add the corresponding standard deviation column to the plus and minus fields. It'll create a graph with a mean and two tails representing the +/- std dev. From there, you could customize it in any number of ways. Hope this helps. Brad "kimhelms" wrote in message ... I have a chart that I just cannot figure out how to graph. It is some survey results and the mean and standard deviation of each question. I want the horizontal axis to list 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, and 5.0. I want the vertical axis to list the question topic: eg, a, b, c, d, e, f, g, h, and i. For each question, I want to show the mean answer and the standard deviation on a bar, with a point for the mean and the endpoints being the +/- standard deviation. Examples of the data: Question a - Mean = 3.6875 Std. Dev. = .59387 Question b - Mean = 3.8958 Std. Dev. = .67810 Question c - Mean = 3.1875 Std. Dev. = .65730 etc. How can I set this up to create a chart like what I need, where I basically have a bar that stretches plus or minus the standard deviation, with the mean in the center? Thanks, Kim |
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#4
Posted to microsoft.public.excel.charting
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Plotting means and standard deviations I already have
Use this approach:
http://peltiertech.com/Excel/Charts/DotPlot.html - Jon ------- Jon Peltier, Microsoft Excel MVP Tutorials and Custom Solutions http://PeltierTech.com _______ "kimhelms" wrote in message ... That's what I think I'm trying to do, but I can't get my axes right. I cannot figure how to get my "questions" as the vertical axis. If I choose Rows, they become the data points and the values on the x and y axis have no meaning to what I am trying to do. I want it to look like below. I understand how to get the error bars in there, I think. But my bigger issue is getting the data to show in horizontal bars. question A ---------X-------- question B ---------x------- question C -----x---- (where the 'x' is the mean) Thanks, Kim "Brad" wrote: Kim, I may be offering a too simple solution, but I do something similar to what you are attempting... I think. Plot the mean values on an x-y chart, then right click the data series on the chart, select Format Data Series, then Y Error Bars, then highlight "Both" by clicking on that box under "Display," click the custom and add the corresponding standard deviation column to the plus and minus fields. It'll create a graph with a mean and two tails representing the +/- std dev. From there, you could customize it in any number of ways. Hope this helps. Brad "kimhelms" wrote in message ... I have a chart that I just cannot figure out how to graph. It is some survey results and the mean and standard deviation of each question. I want the horizontal axis to list 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, and 5.0. I want the vertical axis to list the question topic: eg, a, b, c, d, e, f, g, h, and i. For each question, I want to show the mean answer and the standard deviation on a bar, with a point for the mean and the endpoints being the +/- standard deviation. Examples of the data: Question a - Mean = 3.6875 Std. Dev. = .59387 Question b - Mean = 3.8958 Std. Dev. = .67810 Question c - Mean = 3.1875 Std. Dev. = .65730 etc. How can I set this up to create a chart like what I need, where I basically have a bar that stretches plus or minus the standard deviation, with the mean in the center? Thanks, Kim |
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#5
Posted to microsoft.public.excel.charting
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Plotting means and standard deviations I already have
Thank you!!!! Thank you!!! Thank you!!!
I have been trying to figure this out for almost 2 solid days. "Jon Peltier" wrote: Use this approach: http://peltiertech.com/Excel/Charts/DotPlot.html - Jon ------- Jon Peltier, Microsoft Excel MVP Tutorials and Custom Solutions http://PeltierTech.com _______ "kimhelms" wrote in message ... That's what I think I'm trying to do, but I can't get my axes right. I cannot figure how to get my "questions" as the vertical axis. If I choose Rows, they become the data points and the values on the x and y axis have no meaning to what I am trying to do. I want it to look like below. I understand how to get the error bars in there, I think. But my bigger issue is getting the data to show in horizontal bars. question A ---------X-------- question B ---------x------- question C -----x---- (where the 'x' is the mean) Thanks, Kim "Brad" wrote: Kim, I may be offering a too simple solution, but I do something similar to what you are attempting... I think. Plot the mean values on an x-y chart, then right click the data series on the chart, select Format Data Series, then Y Error Bars, then highlight "Both" by clicking on that box under "Display," click the custom and add the corresponding standard deviation column to the plus and minus fields. It'll create a graph with a mean and two tails representing the +/- std dev. From there, you could customize it in any number of ways. Hope this helps. Brad "kimhelms" wrote in message ... I have a chart that I just cannot figure out how to graph. It is some survey results and the mean and standard deviation of each question. I want the horizontal axis to list 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, and 5.0. I want the vertical axis to list the question topic: eg, a, b, c, d, e, f, g, h, and i. For each question, I want to show the mean answer and the standard deviation on a bar, with a point for the mean and the endpoints being the +/- standard deviation. Examples of the data: Question a - Mean = 3.6875 Std. Dev. = .59387 Question b - Mean = 3.8958 Std. Dev. = .67810 Question c - Mean = 3.1875 Std. Dev. = .65730 etc. How can I set this up to create a chart like what I need, where I basically have a bar that stretches plus or minus the standard deviation, with the mean in the center? Thanks, Kim |
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