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# Beekman5 std ppt_06

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### Beekman5 std ppt_06

1. 1. Chapter 6 Calculations, Visualization, and Simulation
2. 2. Topics <ul><li>The Spreadsheet: Software for Simulation and Speculation </li></ul><ul><li>Statistical Software: Beyond Spreadsheets </li></ul><ul><li>Statistics and Data Analysis </li></ul><ul><li>Scientific Visualization </li></ul><ul><li>Calculated Risks: Computer Modeling and Simulation </li></ul>“ The purpose of computation is not numbers but insight.” R. W. Hamming..
3. 3. The Spreadsheet Cell A1 <ul><li>The spreadsheet consists of: </li></ul><ul><li>Cells (the intersection of a row and column) </li></ul><ul><li>Addresses (column letter and row number, e.g., A1, C12) </li></ul>Cell C12
4. 4. The Spreadsheet Spreadsheets can contain: <ul><li>Values such as numbers and dates </li></ul><ul><li>Labels that explain what a value means, such as column and report headings </li></ul>
5. 5. The Spreadsheet <ul><ul><li>Formulas allow you to create instructions using mathematical expressions and commands </li></ul></ul><ul><ul><li>+ (plus) - (minus) *(multiplication) / (division) Sum Average </li></ul></ul>
6. 6. Spreadsheet Features Spreadsheets offer many automatic features such as replication of data and let the software replicate it to other cells. Type the first value in the series such as Qtr 1 or January or 500
7. 7. Spreadsheet Features <ul><li>Formulas can be relative , so they refer to different cells when they are copied </li></ul><ul><li>Or absolute , so the formula references never change when they are copied </li></ul>When the formula in column B is copied to column C , it changes relative to the new column.
8. 8. Spreadsheet Features <ul><li>Automatic recalculation </li></ul><ul><ul><li>Any time a change is entered into the spreadsheet, all data related to the change automatically updates. </li></ul></ul>
9. 9. Spreadsheet Features <ul><li>Functions (e.g., SUM, AVG, SQRT) are used to automate complex calculations </li></ul><ul><li>Macros let you store keystrokes and commands so they can be played back automatically </li></ul><ul><li>Templates offer ready-to-use worksheets with labels and formulas already entered </li></ul>