Graphs
A line graph used to study variation over time.
What is a Run Chart?
A data recording tool used to tally the number of occurrences
What is a Check Sheet?
Used to identify potential failures and their effects
What is a FMEA (failure mode effects analysis)?
It's what happens when data decides it wants to be a pizza, but ends up in a PowerPoint presentation instead
What is a Pie Chart?
Agreed-upon norms, or rules of engagement, that define how a team will work together
What are Ground Rules?
A chart that shows values for a main variable across two axis variables as a grid with squares in different colors making it easy to see patterns and make conclusions with a quick glance
What is a Heatmap?
Displays the relative importance of problems from most to least significant, based on the idea that a small number of causes often account for most of the effect
What is a Pareto Chart?
Used to assess risk in terms of likelihood and severity
What is a Risk Matrix?
It answers the question "How do these completely unrelated bad ideas have anything in common?"
What is a Venn diagram?
A simple team-building activity used to enhance team introductions and membership
What is an Ice Breaker?
When you’re looking for an answer to the question of “how many” for several categories and a specific period of time, this is the chart to use.
What is a Bar (Column) Chart?
A graphical display of data distribution that helps reveal patterns that may be hard to see in a table of numbers
What is a Histogram?
The average time elapsed until a product is no longer performing its intended function
What is MTTF (mean time to failure)?
This chart is what happens when a spider gets hired as a data analyst
What is a radar chart?
An idea creation method used to generate a large number of creative ideas in a short period of time
What is Brainstorming?
Used in quality control to display and analyze how different factors affect a process output
What is a Multi-Vari Chart? (Multivariate)
Plots two variables to help identify whether a relationship may exist between them
What is a Scatter Diagram?
The average time of corrective maintenance actions
What is MTTR (mean time to repair)?
Use this chart to show how many values you have per category, but it won't be chewy
What is a Bubble Chart?
It's a visible place for off-topic ideas for consideration later, not a place for your car.
What is a Parking Lot?
This graph identifies the median, the middle 50% of the data, skewness, and explicitly flags outliers.
What is a Box Plot (Box and Whisker Plot)?
Separates data into categories so patterns can be observed more easily
What is Stratification?
Used to evaluate product or process failure
What is a Fault Tree Analysis (FTA)?
It uses widening and narrowing bands of color proportional to the flow rate. It's a classic for "Where Did My Paycheck Go?"
What is a Sankey Diagram?
A brief pause to assess how well the group is functioning
What is a Process Check?