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Your basic choices are bar graph, line graph, pie chart, or scatter plot. BAR GRAPH â This is the most common type for science fair projects. You may select a bar graph when your independent variable is qualitative (categories) or quantitative (numbers). LINE GRAPH â This is the second most common, but frequently used incorrectly, so be careful here. You should only select a line graph if your independent variable is quantitative (numbers) and you hypothesized that the changes in the independent variable would result in changes in the dependent one.
Choose the Column Chart type and the Chart sub-type in the upper left corner (basic bar graph). This chart type creates a vertical bar graph, which Excel refers to as a Column chart. If you want to create a horizontal bar graph, choose the Bar chart type.Click Next when you are done.Confirm that your Data Series are in Columns in your spreadsheet.reating a bar graph with one independent variable. Data is entered into Excel much in the same way as it is with scatter plots and line graphs: Note that the independent variable is placed in the first column while the dependent variable is placed in the second column.