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Here are some of the points where first column is the values on x axis and the other two values are lower and upper limits for the error bars in y.

data = {{0.50, 0.23161000 10^-08, 0.22145199 10^-08},
        {1.50, 0.45506399 10^-09, 0.26812801 10^-08},
        {2.50, 0.12028299 10^-08, 0.25072699 10^-08},
        {3.50, 0.12711100 10^-08, 0.25351401 10^-08}};

Will someone please show me how to plot such points with error bar?

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You have to use ErrorListPlots

First configure the data properly.

data = {{0.50, 0.23161000 10^-08, 0.22145199 10^-08},
        {1.50, 0.45506399 10^-09, 0.26812801 10^-08},
        {2.50, 0.12028299 10^-08, 0.25072699 10^-08},
        {3.50, 0.12711100 10^-08, 0.25351401 10^-08}};
erdata = data /. {x_, y_, z_} -> {{x, y}, ErrorBar[z/10]};

Division by 10 is for scaling

Needs["ErrorBarPlots`"]
ErrorListPlot[erdata]

enter image description here

You can use ErrorListPlot[erdata, Joined -> True] for plotting with line.

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