Microsoft Office 2013 - Illustrated Unit K: Using What–If Analysis

Objectives Define a what-if analysis Track a what-if analysis with Scenario Manager Generate a scenario summary Project figures using a data table Microsoft Office Excel 2013 - Illustrated

Objectives (cont’d.) Use Goal Seek Set up a complex what-if analysis with Solver Run Solver and summarize results Analyze data using the Analysis ToolPak Microsoft Office Excel 2013 - Illustrated

Define a What-If Analysis What-if analysis: explore multiple outcomes based on variable inputs Model: name for what-if worksheet Input cells: data cells that generate outputted calculations Dependent cell: formula cells whose value changes based on input values Microsoft Office Excel 2013 - Illustrated

Define a What-If Analysis (cont’d.) Microsoft Office Excel 2013 - Illustrated

Track a What-If Analysis with Scenario Manager Scenario: set of values that generate different results Variable: a value that changes Changing cells: cells that will change (vary) for different scenarios Microsoft Office Excel 2013 - Illustrated

Track a What-If Analysis with Scenario Manager (cont’d.) Click DATA tab, click the What-If Analysis button in the Data Tools group, then click Scenario Manager Microsoft Office Excel 2013 - Illustrated

Track a What-If Analysis with Scenario Manager (cont’d.) Microsoft Office Excel 2013 - Illustrated

Track a What-If Analysis with Scenario Manager (cont’d.) Microsoft Office Excel 2013 - Illustrated

Track a What-If Analysis with Scenario Manager (cont’d.) Merging scenarios Scenarios: stored the workbook and on the worksheet in which you created them Click the Merge button in the Scenario Manager dialog box Select scenarios from other locations Microsoft Office Excel 2013 - Illustrated

Generate a Scenario Summary Scenario summary: Excel table that compiles data from the changing cells and corresponding result cells for each scenario Create names for cells to make scenario summary easier to read Microsoft Office Excel 2013 - Illustrated

Generate a Scenario Summary (cont’d.) Click DATA tab, click the What-If Analysis button in the Data Tools group, click Scenario Manager, then click Summary in the dialog box Include entries in the Result cells text box and click OK Microsoft Office Excel 2013 - Illustrated

Generate a Scenario Summary (cont’d.) Microsoft Office Excel 2013 - Illustrated

Project Figures Using a Data Table Data table: range of cells showing varying results (output values) when one or more input value changes One-input data table: range of cells showing results when one input value is varied in a formula Enter only one cell reference (Row input cell OR Column input cell) in the Data Table dialog box Microsoft Office Excel 2013 - Illustrated

Project Figures Using a Data Table (cont’d.) Microsoft Office Excel 2013 - Illustrated

Project Figures Using a Data Table (cont’d.) Creating a two-input data table Shows the resulting values when two different input values are varied in a formula Enter both a row input cell and a column input cell in the Data Table dialog box Microsoft Office Excel 2013 - Illustrated

Use Goal Seek Goal seek: specify solution and ask Excel to find the input value that produces the answer you want Backing into a solution: backsolving Goal cell: contains a formula in which you can substitute values to find a specific value, or goal Microsoft Office Excel 2013 - Illustrated

Use Goal Seek (cont’d.) Microsoft Office Excel 2013 - Illustrated

Use Goal Seek (cont’d.) Microsoft Office Excel 2013 - Illustrated

Set up a Complex What-If Analysis with Solver Add-in: program providing optional features Solver: finds best solution from several inputs Target cell/objective: contains formula Constraints: limitations or restrictions on input values Microsoft Office Excel 2013 - Illustrated

Set up a Complex What-If Analysis with Solver (cont’d.) Microsoft Office Excel 2013 - Illustrated

Set up a Complex What-If Analysis with Solver (cont’d.) Microsoft Office Excel 2013 - Illustrated

Run Solver and Summarize Results Enter parameters in Solver Parameters dialog box and run Solver In some cases, Solver may not be able to find a solution meeting all constraints Summaries can be created from Solver solutions Microsoft Office Excel 2013 - Illustrated

Run Solver and Summarize Results (cont’d.) Microsoft Office Excel 2013 - Illustrated

Run Solver and Summarize Results (cont’d.) Microsoft Office Excel 2013 - Illustrated

Analyze Data Using the Analysis ToolPak Analysis ToolPak: add-in containing many statistical analysis tools. Descriptive Statistics tool: generates a statistical report including: Mean median, mode, minimum, maximum, and sum for an input range Microsoft Office Excel 2013 - Illustrated

Analyze Data Using the Analysis ToolPak (cont’d.) Choosing the right tool for your data analysis Analysis ToolPak: options for data analysis Anova (analysis of variance): applied to one or more data samples Regression: creates a table of statistics from a least-squares regression Correlation: how strong of a linear relationship exists between two random variables Microsoft Office Excel 2013 - Illustrated

Analyze Data Using the Analysis ToolPak (cont’d.) Analysis ToolPak: offers 19 options for data analysis (cont’d.) Moving Average: displays long-term trends by smoothing out short-term changes Random Number Generation: creates a set of random numbers Rank and Percentile: creates a ranking and percentile distribution report Microsoft Office Excel 2013 - Illustrated

Analyze Data Using the Analysis ToolPak (cont’d.) Microsoft Office Excel 2013 - Illustrated

Analyze Data Using the Analysis ToolPak (cont’d.) Microsoft Office Excel 2013 - Illustrated

Analyze Data Using the Analysis ToolPak (cont’d.) Microsoft Office Excel 2013 - Illustrated