continuous data
data collected typically with a measuring device or sensor
discrete data
things that cannot be cut up into smaller things (countable things)
Pareto Chart
type of bar chart that shows the proportion of the parts to the whole
80/20 rule
identify 20% of the sources that cause 80% of the problem
6 sigma
3 defects per million
histogram
shows the shape or distribution of the data
help us better understand the concept of variation
standard deviation
the average distance of the data points from their own average
X, MR Chart
like swiss army knife of data
individual and moving chart
a pair of control charts for processes with a subgroup size of one
Used to determine if a process is stable and predictable
operational definition
data you need to connect
helps collect accurate data
benchmarking
way to set goals