Chapter 2 Minitab for Data Analysis KANCHALA SUDTACHAT
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. 2. 3. 4. Data-> Sort Double click on C 1 tensile on the left side. Click in the By Column box, then double click again on C 1 tensile on the left pane. Don’t check Descending, if you want increasing. Click on the circle Column(s) of current worksheet, fill in C 2
Basic Command Basic command 3. Random data 1. 2. 3. Calc-> Random data->Normal Number of rows of data to generate 100. Store in column(s): C 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 C 3 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 C 1 Newcomb
Stem-And-Leaf 1. Open worksheet Table 2 -2. MTJ 2. Graph -> Stem-and-Leaf 3. Double click C 1 Strength
Histogram 1. Open worksheet Table 2 -4. MPJ 2. Graph -> Histogram -> Simple 3. In Graph variables, Double click C 1 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 C 1 Type -> Defects or attribute data in: 3. Double click C 2 Hull. Losses -> Frequencies in: 4. Check: Do not combine
Pareto
Questions?
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