Introduction to Engineering Microsoft Excel 1 Agenda Tables, Charts, & Graphs
Agenda Overview: presenting data in graphical form Types of graphs Bar charts, pie charts, scatter plots Essential characteristics of good graphs Titles, axis labels, ticks, legends Plotting experimental and calculated values Tabulating and graphing data in Excel
Types of Data Data values can be either numeric or character Numeric data may be either continuous or categorical Character data are categorical
Types of Graphs Scatter plots are used when all variables being plotted are numeric and continuous Bar charts and pie charts are examples of graph types in which at least one of the variables is categorical
270 college students were surveyed to find whether they had part-time jobs and how much they earned. Results: How can we present this data graphically? Example: College students with jobs
Microsoft Excel (Office97) menu bar customizable toolbars Help! currently active cell(s) cursor (mouse) fill handle formula bar
Enter the Data!
Select the Data
Choosing the graph type 1. Choose item “Chart” 2. Choose chart type “Column” 3. Choose chart sub-type “Clustered Column” 4. And…”Next”
The graph looks good in the preview but it needs x-labels. So click on the Series option. Select Series
Adding Column Labels 1.Click on Category (X) Axis Labels 2. Select Label Set 4. Click Next 3. Click Icon to Return
Enter the titles and then click finish
Done!!!
Now it’s your turn!
Vertical bar chart Horizontal bar chart
Pie Chart Monthly Earnings
Scatter Plot Time (sec) Speed (rpm)
Use your imagination!
Copying Excel Charts and Tables into Word Select the Graph or Chart Right click and select copy OR press ctrl-C (shortcut). Select the area in the Word document where you want to place the chart or table Right click and select paste OR press ctrl-V (shortcut)
Assignment #9 – Bar Chart Use Excel to prepare a bar chart to graphically illustrate the birth/death data shown here. Save your data on a floppy disk and make sure to bring it with you for the next lecture. Number of Births and Deaths in the United States