This document discusses several basic quality tools used in the food industry, including fishbone diagrams, histograms, Pareto analysis, flowcharts, scatter plots, run charts, and control charts. It provides examples and step-by-step explanations of how to create and use fishbone diagrams and histograms. Fishbone diagrams map out processes and problems to identify root causes, while histograms graphically represent grouped data using bars. The document also briefly mentions Kaoru Ishikawa and his role in making statistical analysis more accessible and understandable through visual aids.