not really a math problem, but I need to make a graph for math class and I need help with using excel! please help :X (details in next post)

- ggrree

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- ggrree

|dw:1331794223458:dw|

- ggrree

essentially, I want to draw a graph like this. I've got continuous data (time) on the y axis, and I want to make a sort of scatter plot with the day of the week on the x axis.

- ggrree

but it's also important that I get the x axis to look somewhat like I drew it here (monday, tuesday wednesday on the x axis)

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- TranceNova

well there are some things that can go wrong with trying to plot data in excel but if you set it out right you should be okay. Have you tried insert>scatter graph? Also which excel are you using?

- TranceNova

looking at this may also help http://academic.brooklyn.cuny.edu/economic/friedman/scatterdiagramexcel.htm

- ggrree

I think the issue is I'm putting a discrete variable on the x axis.
this is what it looks like now http://gyazo.com/7d5f78bb743624f443bb91e465eaf8ef

- TranceNova

ah right yes, that would have an effect on that, gimme a sec while I open up my excel :P

- ggrree

Thank you so much! I'm pulling my hair out over here :P

- TranceNova

I know the feeling :) okay try using a line graph instead of a scatter graph, this will put your days of the week as you have them written on the spreadsheet.

- ggrree

http://gyazo.com/a7e9a6bf0d4ff44b6ca9e7f8de85494c This is what the spreadsheet looks like, by the way.

- ggrree

oh, it already is a line graph, apparently.

- ggrree

If I select scatter chart it gives me a bizarre combination of numbers on the x axis that I didn't even input

- ggrree

Also do you have any idea on how to add error bars to this whole mess? I will need them eventually but I guess I can omit them if it's too much hassle.

- TranceNova

ah yes, I do know how to get error bars :) while clicked in your chart go to the layout tab, then in the "analysis" section click error bars>more error bar options then in the box that opens click custom and select your error. You will have to calculate it on the sheet - as excel doesn't have a standard error function (standard error is standard deviation over the square root of n).

- TranceNova

okay I got your graph in the end :)
1. you're going to have to re-arrange your data (annoying but I can't think of any other way). put it in like in the attachment: (i've just made up some times instead of using yours)
2. make sure you highlight all the numbers when you make the graph and make it a line graph.
3. The graph will have one line in it, just right click on the line or a data point on the line and in the properties turn the line transparent.

##### 1 Attachment

- ggrree

ok, I'll try it now. Thanks so much!

- TranceNova

sorry for putting such a giant screenshot in, this one will load faster

##### 1 Attachment

- TranceNova

and no worries :)

- TranceNova

oh and its not properties, its "format data series", then line colour :)

- ggrree

I think it worked! thanks!

- TranceNova

yaaay! :)

- ggrree

One last thing :P since my values are entered as times it won't let me do any simple calculations (like mean or standard deviation) do you know any easy way around this or do I just need to manually convert the cells to a manageable format?

- ggrree

thank you so very much!

- TranceNova

yeah you'll have to change it to a manageable format - like decimals

- ggrree

oh poop :P I guess I won't be sleeping tonight after all :P
thank you so much for your time, you've really helped me out! :)

- TranceNova

no worries, yeah.. I can't think of an easy way to do that. Hope it goes okay!.. I've gotta go too :P

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