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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

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

• 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

• 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

• Graphs-> Check Individual value plot

• Open worksheet Newcomb.MTJ

• Graph -> Dotplot -> Simple -> OK

• Double click C1 Newcomb

• Open worksheet Table2-2.MTJ

• Graph -> Stem-and-Leaf

• Double click C1 Strength

• Open worksheet Table2-4.MPJ

• Graph -> Histogram -> Simple

• In Graph variables,

Double click C1 Distance

• Graph -> Histogram

• -> With fit

• Fix number of intervals

• After obtained result of histogram

• Double click X Scale ->

Display Edit Scale

• Choose Binning

-> Number of intervals -> 10

• Stat -> Quality Tools -> Pareto Chart

• Double click C1 Type -> Defects or attribute data in:

• Double click C2 HullLosses-> Frequencies in:

• Check: Do not combine