What are 3 Lean analytical tools? Include an example for each

1. Tools for gathering 1.1 Simple Checksheets 1.2 Scatter Diagrams 1.3 Fishbone Diagrams 2. Tools for organizing 2.1Pareto Charts 2.2 Flowcharts 3. Tools for identifying problems 3.1 5 Why's 3.2 Histograms 3.3 Statistical process control