Question: what tools are used during the measure phase of dmaic?
Answer: Select the right tool to identify the data patterns and to display your data. Time Plot. Control Chart (see Control Phase for greater detail) Frequency Plots. Box Plot. Dot Plot. Histogram. Cell Intervals: Impact on Shape. ... 
Spaghetti Diagram.
Pareto Chart.
Identify the variation & sources of process problems. Data stratification.