The Centerline for a Control Chart for R Consists of _______________

question 49

Multiple Choice

The centerline for a control chart for R consists of _______________.

• A) the mean of the sample ranges
• B) the mean of the sample data
• C) the median
• D) the standard deviation

---

Definitions:

Flow Event

A flow event is a hydrological term describing a significant movement of water, such as in a river or stream, often in response to heavy rainfall or snowmelt.

Hydrograph

A graph that shows the rate of flow (discharge) versus time past a specific point in a river, or other channel or conduit carrying flow.

Snowmelt

The process where accumulated snow and ice start to melt, turning into water, often significant in the understanding of flood risks and water supply.

Soluble Materials

Substances that can be dissolved in a solvent to form a solution.