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Published bySasha Christ Modified over 10 years ago
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Start up Excel. Notice that each row has a number, and each column has a letter. Click in A1 (column A, row 1), and type in a title for your data
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Now below that header, enter your data, one value in each line.
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Near your data, enter the names: mean, std dev, min, Q1, median, Q3, max
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Now click in the cell to the right of the name mean (D2 in my example). Type in: =average(A2:A20) And press ENTER This will calculate the average (mean) of the data starting in A2 and going to A20
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In the cell next to “std dev”, Type in: =stdev(A2:A20) In the cell next to “min”, Type in: =min(A2:A20) In the cell next to “Q1”, Type in: =quartile(A2:A20,1) In the cell next to “median”, Type in: =median(A2:A20) In the cell next to “Q3”, Type in: =quartile(A2:A20,3) In the cell next to “max”, Type in: =max(A2:A20)
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Now lets create a frequency distribution. Click on cell C10, and type in a description for each of your classes.
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Starting at D10, type a list of your upper class limits.
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Now, use the mouse to highlight (click and drag) cells E10 through E14 Type in: =frequency(A2:A20,D10:D14) Then hold down Ctrl and Shift while you press Enter. Note that A2:A20 are the cells holding your data, and D10:D14 are the cells containing upper class limits
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Highlight cells C10 through C14, then hold down Ctrl while clicking and dragging to also highlight cells E10:E14.
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Click on the chart tool in the toolbar
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Click Next twice. Enter a title and axes labels for your chart. If you want, you can use the tabs across the top to turn off the legend.
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Click Finish to complete the graph
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To make it look more like a histogram, right-click on the bars, and select “Format Data Series”. Choose the Options tab, and set the gap width to 0. This graph can now to cut-and-pasted into Word or PowerPoint.
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