Uses of Excel
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Uses of Excel
Analyzing and Manipulating Classroom data
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In This Presentation
Applications of Excel for viewing/manipulating data sets
Basic and advanced commands in Excel (insert, sort & filter, autosum, etc.)
A brief explanation of the descriptive statistics that will be used
Mani interesting furry animals…including the majestic møøse
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About Me• Education: BA Sociology (Oklahoma State Univ.
‘03) MS Sociology (Univ. of North Texas ‘06)
• Teachering: US history (8th) ‘06-’08English (8th) ‘08-Spring ‘11
• Presently: Middle School Library Assistant
• Likes: donuts (all kinds, I’m not picky)• Dislikes: not having donuts
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Quick Demo
• Highlight/color code rows/column• Resize rows/columns• Hide/unhide column(s) and/or row(s)
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Basic commands cont'd• Wrap text (resize cells to fit/show all words)
Select the entire spreadsheet by left clicking on the square where the tabs and columns meet
Right click > “Format cells” > The box that pops up will have several tabs at the top click on “alignment”
In the middle of the box, you'll see an option to “wrap text” > Click the box next to “wrap text” > Click “OK”
Merge cells (turned several cells into one large cell) Select all the cells you wish to merge Right click > “Format cells” > The box that pops up
will have several tabs at the top click on “alignment” In the middle of the box, you'll see an option to
“merge cells” > Click the box next to “merge cells” > Click “OK”
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Even More Basic Commands• Sort & Filter Arranges all your data in numerical or alphabetical
order (ascending or descending). Highlight the column you wish to sort or filter > click
on “Sort & Filter” > A box will drop-down and ask you how you would like to sort > Click on your choice
• Find & Select Enables you to find a single piece of data out of the
entire workbook. Very useful on large data sets with a lot of variables
Click on “Find & Select” at the top right > click on ”find” > In the box that appears click on “Options” > next to “Within” change the search parameter to “workbook” > Type in your wayward variable and click ”Find All”.
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An Advanced Basic Command(?)
• Hyperlinking – Perhaps, you don’t want to go through all of your
various directories to find a test document Or maybe, you need a quick reference to source
material on the web In each of these cases, hyperlinking is a handy tool Right-Click on the cell that you wish to hyperlink ->
click on hyperlink at the bottom -> find the file or the webpage that you would like to link to, highlight it -> Click ‘OK’Caution: when hyperlinking a file, the file has to be in the same directory as one you assigned the hyperlink. In the case of hyperlinking a webpage, this will only work if your computer has an active Internet connection
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Advanced Commands• Autosum defaults to adding the selected
columns• The drop down menu gives you six more
options Sum (default) Average Count Numbers (Number of cells that contain a value
in a selection) Min (lowest value in a selection) Max (highest value in a selection) More Functions
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Measures of Variation
• We tend to get hung up on the test score average.
• It’s also useful to know how “alike” the test scores are.
• The most effective MoVs for classroom data are the range and standard deviation
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Range• Select the dataset > click "Sort & Filter" in top
right corner > "Sort A to Z“• Now, your dataset will be in numerical order,
scroll to the bottom - note the "bottom-est" value > scroll up, note the "top-est" value
• Subtract the lowest value ("top-est") from the highest value ("bottom-est"); the result = the range
• The range should always be larger than the standard deviation. It's more telling also - 10 points of range will represent a letter grade
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The Normal/Bell Curve
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• Standard deviation (STDEV) is a fancy way to show how "alike" your data is/are
• Basically, it shows the "average difference" of your data
• A higher value indicates a bigger spread of values (in the case of test scores, this might mean some students didn't fully absorb your lesson *gasp* - that you need to appeal to more modalities when preparing your lessons (visual, aural, etc.))
Standard Deviation
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Manual Input• This may come as a shock, but Microsoft didn't
automate every function• One example is range (maximum value minus
minimum value) which is a simpler version of SD
• To calculate range on a given set of values select the...err...selection (row - start with the first blank cell to the right of your selection, columns - start at the first blank cell directly below the selection)
• In the blank cell adjacent to the selection type: SUM(MAX(*COORDINATES*)- MIN (*COOR -DINATES*)) . where *COORDINATES* is the row/ column of your selection.
• Again, higher values means something's amiss
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Insert
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Wrap Text and Merge Cells
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More Basic Commands
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Sum
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STDEV
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Manual Input
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A Simpler Method
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Insert
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WT-MC
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SD
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Behavior
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Assessment
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Handout