Hello everyone,
I have some Stress-Strain charts of steel Fibres in Concrete ( 6 tests - check the attachement) the X axis is the strain and the y axis is the stress. I need to draw the average line of all lines. the problem is, that the data alligned. I mean X values are not equal in each sheet. Example: the cell number 2000 has in a sheet X=3 in another one X=3,56 . That means i cant make an average vlaue column and put it in the chart.
any help ?
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