A Company Is Interested in Monitoring the Average Time It $\bar{x}$

question 37

Multiple Choice

A company is interested in monitoring the average time it takes to serve its customers. An appropriate control chart would be:

• A) \( \bar{x} \) chart.
• B) a p-chart.
• C) a c-chart.
• D) an R-chart.

---

Definitions:

Normal Model

A statistical representation of data sets depicting their distribution typically assumed to be Gaussian or bell-shaped.

Unusually Low

Values or observations that significantly deviate below the expected range within a dataset or statistical analysis.

English Exam

A test or examination that assesses proficiency in the English language, covering various aspects such as reading, writing, speaking, and listening skills.

Stem-And-Leaf Display

A graphical method of displaying quantitative data to assess its distribution, typically used in exploratory data analysis.