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How to plot a error bar on a graph when given the standard deviation?

I am really stuck and would appreciate some help, i am trying to revise on how to draw error bars in practice for my exam and don't know how to plot a error bar on a graph when given the standard deviation?

Thanks in advance :smile:

(edited 9 years ago)

Reply 1

Eloades11

Original post by Itisimportant

The SE = 2 x SD above and below the mean. For example, you have a SD of 3.5, your error bar will be 7 above and 7 below the mean.

Reply 2

Itisimportant

Original post by Eloades11

The SE = 2 x SD above and below the mean. For example, you have a SD of 3.5, your error bar will be 7 above and 7 below the mean.

Thank you helped a lot :smile:

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How to plot a error bar on a graph when given the standard deviation?

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