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• Create a series of 10 random numbers between 1 and 100 and save them in an Excel file in a column.
• Create a graph showing the values.
• Add a second series of 10 random numbers, add them to the Excel file as a second column next to the first one.
• Add a 3rd colum containing the average of the first two columns.
• Update the graph to include all 3 number serieses