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Chapter 2 Minitab for Data Analysis KANCHALA SUDTACHAT
Basic Command Example 2-1: tensile 7226, 7301, 7219, 7350, 7170, 7377, 7150, 7398 Basic command 1. Open the worksheet sample.MTW 2. Sort the data 1. Data-> Sort 2. Double click on C1 tensile on the left side. 3. Click in the By Column box, then double click again on C1 tensile on the left pane. Don¡¯t check Descending, if you want increasing. 4. Click on the circle Column(s) of current worksheet, fill in C2
Basic Command Basic command 3. Random data 1. Calc-> Random data->Normal 2. Number of rows of data to generate 100. Store in column(s): C3 3. Mean: 7274, Standard deviation: 95.6
Simple Analysis Sample mean and sample variance 1. Stat -> Basic Statistics -> Display Descriptive Statistics In the Display Descriptive Statistics dialog box ? Double click C3 S tensile to Variables ? Click Statistics dialog box
Simple Analysis Graphs-> Check Individual value plot
Display
Using Help
Dot plot 1. Open worksheet Newcomb.MTJ 2. Graph -> Dotplot -> Simple -> OK 3. Double click C1 Newcomb
Stem-And-Leaf 1. Open worksheet Table2-2.MTJ 2. Graph -> Stem-and-Leaf 3. Double click C1 Strength
Histogram 1. Open worksheet Table2-4.MPJ 2. Graph -> Histogram -> Simple 3. In Graph variables, Double click C1 Distance
Histogram Graph -> Histogram -> With fit
Histogram Fix number of intervals After obtained result of histogram 1. Double click X Scale -> Display Edit Scale 2. Choose Binning -> Number of intervals -> 10
Pareto 1. Stat -> Quality Tools -> Pareto Chart 2. Double click C1 Type -> Defects or attribute data in: 3. Double click C2 HullLosses -> Frequencies in: 4. Check: Do not combine
Pareto
Box Plot Single variables 1. Graph -> Boxplots- > Simple 2. Dialog box: Boxplot ¨C One Y, Simple 1. Double click C1 Strength to Box: Graph variables 2. Click: Data View command -> Check: Inter quartile range box, Outlier symbols -> OK -> OK
Box Plot Comparison 1. Graph -> Boxplots- > With Groups 2. Dialog box: Boxplot ¨C One Y, With Groups 1. Double click C1 Strength to Box: Graph variables 2. Double click C2 Status to Box: Categorical variables for grouping 3. Click: Data View command -> Check: Inter quartile range box, Outlier symbols -> OK -> OK
Time Series Plots 1. Graph -> Time Series Plot -> Simple 2. Double click C1 Strength to Box: Series: -> OK
Individual Value Plot 1. Graph -> Individual Value Plot 2. Multiple Y¡¯s -> Simple
Individual Value Plot 1. Select -> Graph variables C1 Day1 C2 Day2 . . C8 Day8 2. Click -> Data View¡­
Individual Value Plot 1. Individual Value Plot-Data View Check: - Individual symbols - Mean symbol - Mean connect line 2. Click -> OK -> OK
Individual Value Plot
Interval Plot 1. Graph -> Interval Plot 2. Multiple Y¡¯s -> Simple
Interval Plot 1. Select Day1 ¨C Day 8 -> Graph variables: 2. Click: Data View
Interval Plot Check box - Interval bar - Mean symbol - Mean connect line Click OK -> OK
Interval Plot
Scatter Plot 1. Graph -> Scatterplot¡­ -> with Simple 2. Dialog box: Scatterplot - Simple 1. Double click C2 Pull Strength to Y variable 2. Double click C3 Wire Length to X variable 3. Click: OK
Scatter Plot
Scatter Plot: Correlation & P- Value 1. Stat -> Basic Statistics -> Correlation¡­ 2. Double Click: C2 Pull Strength (Response) 3. Double Click: C3 Wire Length (Control) 4. Check: Display p-values 5. Click OK
Scatter Plot: Correlation & P-Value Correlations: Pull Strength, Wire Length Pearson correlation of Pull Strength and Wire Length = 0.982 P-Value = 0.000 Correlations: Pull Strength, Die Height Pearson correlation of Pull Strength and Die Height = 0.493 P-Value = 0.012
Marginal Plots with Dot Plot 1. Graph -> Marginal Plots -> with Dotplots 2. Dialog box: Marginal Plot with Dotplots 1. Double click C1 Strength to Y variable 2. Double click C3 time to X variable 3. Click: Marginal Options 4. Check: Dotplot and Y only 5. OK -> OK
Marginal Plots with Dot Plot
Matrix Plot 1. Graph -> Matrix Plots -> Matrix of plots: Simple OK -> OK
Matrix Plots 2. Dialog box: Matrix Plot ¨C Matrix of Plots, Simple Start with control variables 1. Double click C3 Wire Length -> Graph variables 2. Double click C4 Die Height -> Graph variables End with response variable 1. Double click C2 Pull Strength -> Graph variables 3. OK -> OK
Matrix Plots
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????? ?????? ??????? ? ?????? ? ????????3376232.ppt

  • 1. Chapter 2 Minitab for Data Analysis KANCHALA SUDTACHAT
  • 2. Basic Command Example 2-1: tensile 7226, 7301, 7219, 7350, 7170, 7377, 7150, 7398 Basic command 1. Open the worksheet sample.MTW 2. Sort the data 1. Data-> Sort 2. Double click on C1 tensile on the left side. 3. Click in the By Column box, then double click again on C1 tensile on the left pane. Don¡¯t check Descending, if you want increasing. 4. Click on the circle Column(s) of current worksheet, fill in C2
  • 3. Basic Command Basic command 3. Random data 1. Calc-> Random data->Normal 2. Number of rows of data to generate 100. Store in column(s): C3 3. Mean: 7274, Standard deviation: 95.6
  • 4. Simple Analysis Sample mean and sample variance 1. Stat -> Basic Statistics -> Display Descriptive Statistics In the Display Descriptive Statistics dialog box ? Double click C3 S tensile to Variables ? Click Statistics dialog box
  • 5. Simple Analysis Graphs-> Check Individual value plot
  • 8. Dot plot 1. Open worksheet Newcomb.MTJ 2. Graph -> Dotplot -> Simple -> OK 3. Double click C1 Newcomb
  • 9. Stem-And-Leaf 1. Open worksheet Table2-2.MTJ 2. Graph -> Stem-and-Leaf 3. Double click C1 Strength
  • 10. Histogram 1. Open worksheet Table2-4.MPJ 2. Graph -> Histogram -> Simple 3. In Graph variables, Double click C1 Distance
  • 12. Histogram Fix number of intervals After obtained result of histogram 1. Double click X Scale -> Display Edit Scale 2. Choose Binning -> Number of intervals -> 10
  • 13. Pareto 1. Stat -> Quality Tools -> Pareto Chart 2. Double click C1 Type -> Defects or attribute data in: 3. Double click C2 HullLosses -> Frequencies in: 4. Check: Do not combine
  • 15. Box Plot Single variables 1. Graph -> Boxplots- > Simple 2. Dialog box: Boxplot ¨C One Y, Simple 1. Double click C1 Strength to Box: Graph variables 2. Click: Data View command -> Check: Inter quartile range box, Outlier symbols -> OK -> OK
  • 16. Box Plot Comparison 1. Graph -> Boxplots- > With Groups 2. Dialog box: Boxplot ¨C One Y, With Groups 1. Double click C1 Strength to Box: Graph variables 2. Double click C2 Status to Box: Categorical variables for grouping 3. Click: Data View command -> Check: Inter quartile range box, Outlier symbols -> OK -> OK
  • 17. Time Series Plots 1. Graph -> Time Series Plot -> Simple 2. Double click C1 Strength to Box: Series: -> OK
  • 18. Individual Value Plot 1. Graph -> Individual Value Plot 2. Multiple Y¡¯s -> Simple
  • 19. Individual Value Plot 1. Select -> Graph variables C1 Day1 C2 Day2 . . C8 Day8 2. Click -> Data View¡­
  • 20. Individual Value Plot 1. Individual Value Plot-Data View Check: - Individual symbols - Mean symbol - Mean connect line 2. Click -> OK -> OK
  • 22. Interval Plot 1. Graph -> Interval Plot 2. Multiple Y¡¯s -> Simple
  • 23. Interval Plot 1. Select Day1 ¨C Day 8 -> Graph variables: 2. Click: Data View
  • 24. Interval Plot Check box - Interval bar - Mean symbol - Mean connect line Click OK -> OK
  • 26. Scatter Plot 1. Graph -> Scatterplot¡­ -> with Simple 2. Dialog box: Scatterplot - Simple 1. Double click C2 Pull Strength to Y variable 2. Double click C3 Wire Length to X variable 3. Click: OK
  • 28. Scatter Plot: Correlation & P- Value 1. Stat -> Basic Statistics -> Correlation¡­ 2. Double Click: C2 Pull Strength (Response) 3. Double Click: C3 Wire Length (Control) 4. Check: Display p-values 5. Click OK
  • 29. Scatter Plot: Correlation & P-Value Correlations: Pull Strength, Wire Length Pearson correlation of Pull Strength and Wire Length = 0.982 P-Value = 0.000 Correlations: Pull Strength, Die Height Pearson correlation of Pull Strength and Die Height = 0.493 P-Value = 0.012
  • 30. Marginal Plots with Dot Plot 1. Graph -> Marginal Plots -> with Dotplots 2. Dialog box: Marginal Plot with Dotplots 1. Double click C1 Strength to Y variable 2. Double click C3 time to X variable 3. Click: Marginal Options 4. Check: Dotplot and Y only 5. OK -> OK
  • 32. Matrix Plot 1. Graph -> Matrix Plots -> Matrix of plots: Simple OK -> OK
  • 33. Matrix Plots 2. Dialog box: Matrix Plot ¨C Matrix of Plots, Simple Start with control variables 1. Double click C3 Wire Length -> Graph variables 2. Double click C4 Die Height -> Graph variables End with response variable 1. Double click C2 Pull Strength -> Graph variables 3. OK -> OK