Chapter 2 Minitab for Data Analysis

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# Chapter 2 Minitab for Data Analysis - PowerPoint PPT Presentation

Chapter 2 Minitab for Data Analysis. Kanchala sudtachat. Basic Command. Example 2-1: tensile 7226, 7301, 7219, 7350, 7170, 7377, 7150, 7398 Basic command Open the worksheet sample.MTW Sort the data Data-> Sort Double click on C1 tensile on the left side.

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### Chapter 2Minitab for Data Analysis

Kanchalasudtachat

Basic Command

Example 2-1: tensile

7226, 7301, 7219, 7350, 7170, 7377, 7150, 7398

Basic command

• Open the worksheet sample.MTW
• Sort the data
• Data-> Sort
• Double click on C1 tensile on the left side.
• 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.
• Click on the circle Column(s) of current worksheet, fill in C2
Basic Command

Basic command

• Random data
• Calc-> Random data->Normal
• Number of rows of data to generate 100. Store in column(s): C3
• 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
Dot plot
• Open worksheet Newcomb.MTJ
• Graph -> Dotplot -> Simple -> OK
• Double click C1 Newcomb
Stem-And-Leaf
• Open worksheet Table2-2.MTJ
• Graph -> Stem-and-Leaf
• Double click C1 Strength
Histogram
• Open worksheet Table2-4.MPJ
• Graph -> Histogram -> Simple
• In Graph variables,

Double click C1 Distance

Histogram
• Graph -> Histogram
• -> With fit
Histogram
• Fix number of intervals
• After obtained result of histogram
• Double click X Scale ->

Display Edit Scale

• Choose Binning

-> Number of intervals -> 10

Pareto
• Stat -> Quality Tools -> Pareto Chart
• Double click C1 Type -> Defects or attribute data in:
• Double click C2 HullLosses-> Frequencies in:
• Check: Do not combine