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1、GE Company ProprietaryVersion 2.01Minitab Primer Minitab Primer Introduction to StatisticalData Analysis With Minitab 编辑课件GE Company ProprietaryVersion 2.02Minitab Primer IntroductionThis primer is designed to provide one with the skills necessary to effectively employ Minitab within the Six Sigma f
2、ramework.It begins with an introduction to selected file,data manipulation,and help functions,followed by a series of demonstrations related to transaction and service quality.The student is encouraged to work through each demonstration,following the lead of the instructor.Each demonstration begins
3、with a page highlighting the Minitab functions applied in working-through the examples.These pages reflect the commands that the user would see on the screen while using Minitab(the heirarchical structure of Minitab is preserved).It is assumed that the user is familiar with basic statistics,e.g.,hyp
4、othesis testing and regression analysis.A companion primer,entitled Statistics Primer-Introduction to Statistics Through Graphical Analysis is available on the World-Wide-Web(GE Corporate)for those requiring a review of fundamental statistics.Augie Stagliano Pittsfield,MAOctober 1996编辑课件GE Company P
5、roprietaryVersion 2.03Minitab Primer Takeaways After Completing This Training,You Will Be Able To.Import Data Files Perform Basic Data Manipulation Techniques Use Functions to Perform Calculations Construct and Interpret Various Graph Types Generate and Interpret Basic Statistical Information Apply
6、One and Two Sample Hypothesis Tests Perform Simple Linear Regression Apply c2 Tests and One-Way ANOVA An Overview of Applied Statistical Techniques Stressing Interpretation of Analytical Results编辑课件GE Company ProprietaryVersion 2.04Minitab Primer File Commands New Worksheet Open Worksheet Merge Work
7、sheet Save Worksheet Print Window Get Worksheet Information Display Data Restart Minitab Exit编辑课件GE Company ProprietaryVersion 2.05Minitab Primer Help and Manip Commands Help Commands:Contents Getting Started.How Do I.Search for Help On.Sort Stack UnstackManip Commands:编辑课件GE Company ProprietaryVers
8、ion 2.06Minitab Primer Demonstration One STAT Basic Statistics Descriptive Statistics 1-Sample t 2-Sample t Correlation Tables Tally Chisquare Test CALC Probability Distributions Normal STAT ANOVA ONEWAYBasic Statistical Analysis GRAPH Plot Time Series Plot Histogram Boxplot Character Graphs Dotplot
9、 STAT SPC Run ChartGraphical Analysis STAT Regression Regression Fitted Line PlotRegression AnalysisChoice of Tool Depends Upon the Requirements of the Analysis编辑课件GE Company ProprietaryVersion 2.07Minitab Primer Example:Receivables“Days-to-Collection Data File:days.xlsVariable:DaysCollection terms
10、for receivables is 60 days.Payments are entered into a data collection system in the same time-order as they are received.Characterize this process and determine its long term z-value and sigma.Also,test that the average days-to-collection is equal to 50 days(Business Target).Demonstration One 编辑课件G
11、E Company ProprietaryVersion 2.08Minitab Primer Receivables Process Characterization Descriptive StatisticsVariable N N*Mean Median TrMean StDev SEMeanDays 50 0 63.80 64.00 63.75 8.45 1.19 Variable Min Max Q1 Q3Days 45.00 87.00 58.75 68.25Histogram.Time Series Plot.MeasureMeasure-Analyze-Improve-Con
12、trol 编辑课件GE Company ProprietaryVersion 2.09Minitab Primer Receivables Process-Yield&Sigma Values Days Count 45 1 48 2 49 1 53 1 54 3 55 1 58 3 59 3 60 1 61 2 62 1 63 4 64 4 65 1 66 2 67 6 68 2 69 1 70 2 71 2 72 1 74 2 77 1 78 1 79 1 87 1 N=50 16 Items Within Spec(60 days)34 Items Outside of Spec Inv
13、erse Cumulative Distribution Function Normal with mean=0 and standard deviation=1.00000 P(X 50.00Variable N Mean StDev SE Mean T P-ValueDays 50 63.80 8.45 1.19 11.55 0.0000Hypothesis Test of the Mean.Business Target:50 Days a a=0.05 Test for Mean 50 DaysConf.Level=95.0%Results.MeasureMeasure-Analyze
14、-Improve-Control 编辑课件GE Company ProprietaryVersion 2.011Minitab Primer Choice of Tool Depends Upon the Requirements of the AnalysisDemonstration Two STAT Basic Statistics Descriptive Statistics 1-Sample t 2-Sample t Correlation Tables Tally Chisquare Test CALC Probability Distributions Normal STAT A
15、NOVA ONEWAYBasic Statistical Analysis GRAPH Plot Time Series Plot Histogram Boxplot Character Graphs Dotplot STAT SPC Run ChartGraphical Analysis STAT Regression Regression Fitted Line PlotRegression Analysis编辑课件GE Company ProprietaryVersion 2.012Minitab Primer Example:GE Stock DataData File:price.x
16、lsVariable:Price Description:this data set contains actual daily price data for atime period of approximately two years.The data is ordered in its original time sequence.Characterize the data and checkfor stability over time.MeasureMeasure-Analyze-Improve-Control 编辑课件GE Company ProprietaryVersion 2.013Minitab Primer Results of GE Stock Price Demonstration MeasureMeasure -Analyze-Improve-Control 编辑课件GE Company ProprietaryVersion 2.014Minitab Primer Choice of Tool Depends Upon the Requirements of
