A Quality Control Chart Is Used to Monitor the Customer

question 52

Multiple Choice

A quality control chart is used to monitor the customer wait time at a local call center. Sample means of five times are averaged and plotted over time. Over the last hundred sample means, one sample mean was outside a control limit. The chart shows:

• A) chance variation.
• B) standard variation.
• C) assignable variation.
• D) total variation.

---

Definitions:

Interest Rate Changes

Variations in the cost of borrowing money, often influenced by central banking policy to control inflation and economic growth.

Demand For Money

This represents the inverse relationship between the level of money balances and the price of holding money balances.

Barter Economy

An economic system in which goods or services are traded directly for other goods or services without using a medium of exchange, such as money.

Basic Goods And Services

Essential products and services required to meet the fundamental needs of the population.