Which of the Following Is CORRECT Regarding an X-Chart

question 59

Multiple Choice

Which of the following is CORRECT regarding an x-chart?

• A)Individual data require averaging before being plotted on it.
• B)It is less sensitive to many conditions that can be detected by-chart and R-chart.
• C)Specification limits cannot be drawn on the chart for direct comparison with the control limits.
• D)The assumption of normality of observations is less critical than for

---

Definitions:

Aqueous NaOH

A solution of sodium hydroxide in water, commonly used as a strong base in chemical reactions and industrial processes.

pKa

A quantitative measure of the strength of an acid in solution, defined as the negative logarithm of its acid dissociation constant.

Oxalic Acid

A dicarboxylic acid with the formula \(C_2H_2O_4\), known for its role in plant metabolism and as a cleaning agent.

Glutaric Acid

A dicarboxylic acid with the formula C5H8O4, characterized by five carbon atoms and two carboxylic acid groups, used in the manufacture of polymers and polyesters.