Minitab Tutorial (Version 17+)

Transcription

1 Minitab Tutorial (Version 17+) Basic Commands and Data Entry Graphical Tools Descriptive Statistics Outline Minitab Basics Basic Commands, Data Entry, and Organization Minitab Project Files (*.MPJ) vs. Worksheet Files (*.MTW) Data Entry (Entering data, copying/pasting from Excel) Numerical Data vs. Categorical (Text) vs. Time/Date Data Graphical Analysis ( GRAPH MENU) Time Series Plot Histogram/Box Plot/Multiple Box Plot/Individual Values Plot Edit Graphical Output Statistical Analysis ( STAT MENU ) Descriptive Statistics/Graphical Summary (Normality Test) Tally Individual Values Pareto Chart Data Set Manipulation Subset and stratify data (Descriptive statistics by group) Other Useful Tools: See Appendix 2 University of Michigan: Six Sigma Black Belt, P. Hammett 1

2 Minitab Project (Example: Loan) Main Tools: Session Window Analysis Output STAT GRAPH Worksheet Data 3 Loan Data Set Key Output Variable: Total Loan Time Selected Input (X) Variables: UW-Staff (Underwriter Staff) Loan Value (Amount of Loan) Process Steps (See Excel File) Issues by Defect Categories (See Excel) 4 University of Michigan: Six Sigma Black Belt, P. Hammett 2

3 Appendix Minitab Tips Quick and Easy Functions of Minitab Run Last Tool Icon ( Ctrl E ) Project Manager Icon 5 Worksheet Window Column Title T = Text D = Date Data Direction 6 University of Michigan: Six Sigma Black Belt, P. Hammett 3

4 Last Dialog Box Hit Ctrl + E and you will get your last Dialog Box open Or Click on icon located on the top bar Save time! 7 Top Icons Scroll = Session Window Worksheet Information Report Pad Graphs 8 University of Michigan: Six Sigma Black Belt, P. Hammett 4

5 Information on Data Click on Information icon 9 Calculator Write the title Loan-Time-OOS under column C3 Go to Calc / Calculator 10 University of Michigan: Six Sigma Black Belt, P. Hammett 5

6 Calculator - Results Minitab has calculated the new Loan Time OOS variable and put at end of worksheet 11 Session Folder or Project Manager Go to Session Window or Project Manager Right click on the output Select Append to Report 12 University of Michigan: Six Sigma Black Belt, P. Hammett 6

7 Report Pad Click on Report Pad icon 13 Report Pad Export To export the report pad to Word Right click on the left menu on Report Pad Select Copy to Word Processor 14 University of Michigan: Six Sigma Black Belt, P. Hammett 7

8 Tile Tool Graph Folder Suppose you want to see two or more graphs at the same time Go to Graph Folder Select the graphs you want to use Right click on them Select Tile 15 Tile Tool 16 University of Michigan: Six Sigma Black Belt, P. Hammett 8

9 Tile Tool Let s do it again but select Tile with Worksheet 17 Layout Tool What if I want to have 2 or 3 or 4 graphs on just one image? Select the graphs you want to have together Right Click on them Select Layout Tool 18 University of Michigan: Six Sigma Black Belt, P. Hammett 9

10 Layout Tool You may also: Re-arrange the order of the graphs Take graphs out Put graphs in Select how many columns or rows Once you have what you want click Finish 19 Change Data Type Go to Data / Change Data Type / Numeric to Text Try typing DC on the next row 20 University of Michigan: Six Sigma Black Belt, P. Hammett 10

11 Brush Tool On a graph you see some outliers and you want to know which data point they represent Confirm that your graph has the green symbol on the top On the top icon section, select icon Brush Select the outliers 21 Brush Tool On the Data Worksheet you will see them highlighted with a Dot 22 University of Michigan: Six Sigma Black Belt, P. Hammett 11

12 Minitab Assistant For many tools, may use the Minitab Assistant for pre-formatted Analysis 23 Minitab Assistant Minitab Assistant Scatter Plot Example 24 University of Michigan: Six Sigma Black Belt, P. Hammett 12