A graph which displays computed means for a series of small random samples over a period of time is called a (n)___.
A) chart
B)R chart
C)p chart
D)c chart
E)S chart

Question

A graph which displays computed means for a series of small random samples over a period of time is called a (n)___.
A) chart 
B)R chart 
C)p chart 
D)c chart 
E)S chart

Quizplus · Accepted Answer

A graph displaying computed means for a series of small random samples over a period of time is called an X-bar chart, also known as a process mean chart or a subgroup mean chart. The other chart options listed (R chart, p chart, c chart, S chart) are used for different types of process control and statistical analysis.

A Graph Which Displays Computed Means for a Series of Small