An X-Bar Control Chart Was Examined and No Data Points

question 48

Multiple Choice

An x-bar control chart was examined and no data points fell outside of the limits. Can this process be considered in control?

• A) No, there could be a pattern to the points.
• B) No, the R-chart must be checked.
• C) No, the number of samples must be known.
• D) Yes
• E) Both A and B

---

Definitions:

Plasma Cell

A type of white blood cell that produces and secretes large volumes of antibodies, playing a crucial role in the immune response.

Cytokines

Small proteins released by cells that affect the behavior of other cells, playing a crucial role in immune responses and inflammation.

Immune Response

A complex biological reaction of the body against pathogens, such as bacteria and viruses, involving specialized cells and antibodies to protect against infection and disease.

Pre-T Cells

Immature T cells that are in the process of developing their specificity and functionality in the thymus.