The following is a list of basic nonstatistical tools that make up the Six Sigma Green Belt toolkit:

• Affinity diagrams
• Brainstorming
• Cause-and-effect diagrams
• Cause-and-effect matrix
• Check sheets
• Flowcharting
• Force field analysis
• Graphs
• Histograms
• Kano model
• Nominal group technique
• Pareto analysis
• Plan-Do-Check-Act
• Project management
• Root cause analysis
• Scatter diagrams
• 5S’s
• 5W’s
• 5W’s and 2H’s

As an SSGB, you should have been introduced to the following statistical tools:

• Analysis of variance (ANOVA)
• Attributes control charts
• Basic probability concepts
• Basic statistical concepts
• Binomial distribution
• Chi-square test
• Correlation coefficient
• Cpk—Operational (long-term) process capability
• Cpk—Using the K-factor method
• CPU and CPL—Upper and lower process capability indices
• Data accuracy
• Data, scale, and sources
• Histograms
• Hypothesis testing
• Mean
• Median
• Mode
• Mutually exclusive events
• Normal distribution
• Poisson distribution
• Probability theory
• Process capability analysis
• Process capability study
• Process elements, variables, and observations concepts
• Range
• Sampling
• Six Sigma measures
• Standard deviation
• Statistical process control
• Statistical thinking
• Variables control charts
• Variance