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Tuesday, October 15, 2013
How to Draw a Histogram in Windows Excel
Load the Analysis ToolPak
1. Open a new Excel spreadsheet. Click on the 'File' tab at the top of the screen, and then click 'Options' on the menu that appears.
2. Click 'Add-Ins' from the list on the left side of the Excel Options menu. Click the drop-down arrow next to the 'Manage' box at the bottom of the window. Choose 'Excel Add-Ins' from this drop-down menu, and click 'Go.'
3. Click the small box next to 'Analysis ToolPak' to place a check in the box. Click 'OK' to close this window.
Create the Histogram
4. Click on cell 'A1' and enter the title for the data that you want to use with the histogram. Then select cell 'A2' and enter your first value. Continue to enter values using the cells in column 'A' until you have added all of your data.
5. Click cell 'B1' and type in 'Bin Range.' This column of cells will contain the numbers that represent the number ranges that will make up the horizontal axis of your histogram. Remember that each bin number represents the top of the range of values that will be counted as part of that bin, so be sure to include the highest possible value for your data as part of the bin numbers. Enter the values starting at call 'B2,' and continue down the column until you have entered all your desired bin ranges.
6. Click the 'Data' tab at the top of the screen, and then click the 'Data Analysis' button on the far right side of the ribbon. Select 'Histogram' from the list of options and then click 'OK.' A small 'Histogram' window will appear.
7. Click in the blank next to 'Input Range' in the Histogram window. Click on cell 'A2' and hold down the mouse button. Drag your mouse down until you reach the last cell that holds data in column 'A'; then release the mouse button. Click on the blank next to 'Bin Range' and do the same thing as you did in column 'A,' but this time do it in column 'B' starting with cell 'B2.'
8. Select the radio button next to the output option that you desire. You can place the histogram somewhere on this worksheet, you can place it on a new worksheet within this workbook or you can place it in an entirely new workbook.
9. Place a check next to any of the bottom three options, if any apply to your desired histogram output. 'Pareto' will sort your data in descending order of frequency, 'Cumulative Percentage' will include another column on the histogram that has the cumulative percentages for your frequency data, and 'Chart Output' will display a chart of the histogram in addition to the standard table.
10. Click 'OK' to close the window and Excel will create your histogram.