【正文】 The National Graduate School of Quality Management ? 125 Bowling Example (continued) ?Another way we can look at the data is to look at the Factorial Plots of the resulting data. ?Go to ?DOE…. ?Factorial… ?Factorial Plots…. 169。The National Graduate School of Quality Management ? 109 Let’s Look At Main Effects…. ?Choose Stat ?ANOVA ?Main Effects Plot…. 169。The National Graduate School of Quality Management ? 93 ? In this example we are trying to determine if shoe material “A” wear rate is different from shoe material “B”. ? Our data has been collected using ten boys, whom were asked to wear one shoe made from each material. Ho: Material “A” wear rate = Material “B” wear rate Ha: Material “A” wear rate ? Material “B” wear rate 169。The National Graduate School of Quality Management ? 77 HYPOTHESIS TESTING 169。The National Graduate School of Quality Management ? 61 Boxplot.... Note that now we now have a box plot broken out by each of the various heads.. Note that head number 6 again seems to be the source of the high readings….. 169。The National Graduate School of Quality Management ? 45 Histogram.... Minitab now pletes our histogram for us ready to be copied and pasted into your PowerPoint presentation…. This data does not look like it is very normal…. Let’s use Minitab to test this distribution for normality…... 169。The National Graduate School of Quality Management ? 29 Transferring the Analysis... ?Let’s take care of the graph first…. ?Go to Edit…. Copy Graph... 169。The National Graduate School of Quality Management ? 13 Menu Bar Data Window Editor Menu Key Functions ?Advanced Edit and Display Options ?Data Brushing ?Column Settings ?Column Insertion/Moves ?Cell Insertion ?Worksheet Settings Note: The Editor Selection is Context Sensitive. Menu selections will vary for: ?Data Window ?Graph ?Session Window Depending on which is selected. 169。The National Graduate School of Quality Management ? 2 ?Worksheet Conventions and Menu Structures ?Minitab Interoperability ?Graphic Capabilities ?Pareto ?Histogram ?Box Plot ?Scatter Plot ?Statistical Capabilities ?Capability Analysis ?Hypothesis Test ?Contingency Tables ?ANOVA ?Design of Experiments (DOE) Minitab Training Agenda 169。The National Graduate School of Quality Management ? 18 MINITAB INTEROPERABILITY 169。The National Graduate School of Quality Management ? 34 Transferring the Analysis... ?Now go back to your powerpoint presentation….. ?Select Edit….. Paste….. 169。The National Graduate School of Quality Management ? 50 Histogram.... ?Let’s look at another “Histogram” tool we can use to evaluate and present data…. ?Go to File… Open Project…. Load the file …. 169。The National Graduate School of Quality Management ? 66 Scatter plot.... To do this: ?Go to Window… ?Tile... 169。The National Graduate School of Quality Management ? 82 Checking for equal variance.. ?We now want to see if we have equal variances in our samples. ?To perform this test, our data must be “stacked”. ?To acplish this go to Manip… Stack… Stack Columns…. 169。The National Graduate School of Quality Management ? 98 CONTINGENCY TABLES (CHI SQUARE) 169。The National Graduate School of Quality Management ? 114 First Create an Experimental Design... Select 2 Level Factorial design with 3 factors Then go to Display Available Designs…. 169。The National Graduate School of Quality Management ? 130 Bowling Example (continued) ?Select InteractionPlot and then Setup….. 169。The National Graduate School of Quality Management ? 120 Bowling Example (continued) Go to ?Stat…. ?DOE… ?Factorial... ?Analyze Factorial Design... 169。The National Graduate School of Quality Management ? 104 Let’s set up the analysis ?Load the file Anova … ?Stack the data in C4 and place the subscripts in C5 169。The National Graduate School of Quality Management ? 88 ?Since we already have our data stacked, we will load C4 for our samples and C3 for our subscripts. Setting up the test…. ?Since we have already tested for equal variances, we can check off this box… ?Now select Graphs…. 169。The National Graduate School of Quality Management ? 72 PROCESS CAPABILITY ANALYSIS 169。The National Graduate School of Quality Management ? 56 Boxplot.... Fill out the screen as follows: ?Select “filler 1” for our Variable…. ?Select Graphs….. 169。The National Graduate School of Quality Management ? 40 Pareto Chart.... Fill out the screen as follows: ?Our data is already summarized so we will use the Chart Defects table... ?Labels in “Category”… ?Frequencies in “Quantity”…. ?Add title and hit OK.. 169。The National Graduate School of Quality Management ? 24 Move to Minitab... Select Paste from the menu and the data will be inserted into the Minitab Worksheet…. 169。The National Graduate School of Quality Management ? 8 Menu Bar Edit Menu Key Functions ?Worksheet File Edits ?Select ?Delete ?Copy ?Paste ?Dynamic Links 169。The National Graduate School of Quality Management ? 7 Menu Bar File Menu Key Functions ?Worksheet File Management ?Save ?Print ?Data Import 169。The National Graduate School of Quality Management ? 23 Move to Minitab... Open Minitab and select the column you want to paste the data into…. 169。The National Graduate School of Quality Management ? 39 Pareto Chart.... ?Go to: ?Stat… ?Quality Tools… ?Pareto Chart…. 169。The National Graduate School of Quality Management ? 55 Boxplot.... ?Go to: ?Stat… ?Basic Statistics… ?Display Descriptive Statistics... 1