Copyright © 2005 by Nelson, a division of Thomson Canada Limited 14-0 EXCEL CHAPTER 14 PHILIP BEDIENT
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Copyright © 2005 by Nelson, a division of Thomson Canada Limited 14-2 Workbook is spreadsheet file you create Worksheets are the rows and columns you use Formula Bar shows data/formula selected Range are cells selected
Copyright © 2005 by Nelson, a division of Thomson Canada Limited 14-3 Absolute has column B all equal to 60 Relative has column B changing with column A
Copyright © 2005 by Nelson, a division of Thomson Canada Limited 14-4 For an Absolute Command: -put in formula bar =8*$A$3 -makes all cells below equal to the same value as 8*A3 For Relative Command -put in formula bar =8*A3 -cells below will change with changing column A values
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Copyright © 2005 by Nelson, a division of Thomson Canada Limited 14-6 Can press Paste Function (f x ) button on toolbar Or type function in formula bar Pick the function, like =STDV (A1:B10) which is standard deviation
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Copyright © 2005 by Nelson, a division of Thomson Canada Limited Select Data - Click Chart Wizard icon
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Copyright © 2005 by Nelson, a division of Thomson Canada Limited With this example, first plot the X values and one set of Y values -Right Click on graph and select Source Data
Copyright © 2005 by Nelson, a division of Thomson Canada Limited In Source Data, type name of the 1 st Y values Press Add button
Copyright © 2005 by Nelson, a division of Thomson Canada Limited In Name Box, type name of 2 nd Y value -In X Values Box, click spreadsheet icon -Select the X value cells and press Enter -Do same for 2 nd Y values
Copyright © 2005 by Nelson, a division of Thomson Canada Limited If the 2 Y values have different ranges, double click on one of the curves Pick the Axis tab Select Secondary Axis
Copyright © 2005 by Nelson, a division of Thomson Canada Limited Right Click the dotted line Select Chart Type
Copyright © 2005 by Nelson, a division of Thomson Canada Limited Select “Scatter with Data Points Connected by Smoothed Lines without Markers”
Copyright © 2005 by Nelson, a division of Thomson Canada Limited Right Click the curve Select Format Data Series
Copyright © 2005 by Nelson, a division of Thomson Canada Limited Pick Patterns tab Change line style and weight
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Copyright © 2005 by Nelson, a division of Thomson Canada Limited Take given data and find the regression equation - “best fit line”
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Copyright © 2005 by Nelson, a division of Thomson Canada Limited Choose type of regression For this case, choose linear
Copyright © 2005 by Nelson, a division of Thomson Canada Limited Click Options Tab -Check “Display equation on chart” -Check “Display R- squared value on chart” if desired
Copyright © 2005 by Nelson, a division of Thomson Canada Limited Final Plot Left Click the equation to change the variables in the equation