Chapter 2Minitab for Data AnalysisKANCHALA SUDTACHAT

Basic CommandExample 2-1: tensile

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

Basic command

1. Open the worksheet sample.MTW

2. Sort the data1. Data-> Sort2. 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 CommandBasic command

3. Random data1. Calc-> Random data->Normal2. 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 plot1. Open worksheet Newcomb.MTJ

2. Graph -> Dotplot -> Simple -> OK

3. Double click C1 Newcomb

Stem-And-Leaf1. Open worksheet Table2-2.MTJ

2. Graph -> Stem-and-Leaf

3. Double click C1 Strength

Histogram1. 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

Questions?