Have 2 data columns with 800 data points . I highlight the data and select
the xy scatter diagram from the chart options. The graph that is produced
plots the y values against the number of data points and not the x values in
the column. However when I click on the "select data" option and "edit" the
series that was created, the data ranges for the x and y axes are the correct
ones.

Help will be appreciated

Cheers,

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RJS