The Size of a Sample Can Be Selected by First $S E ( X ) = \sigma I \sqrt { n }$

question 20

True/False

The size of a sample can be selected by first determining the desired standard error and then using the formula $S E ( X ) = \sigma I \sqrt { n }$
to calculate n.

---

Definitions:

Economic Efficiency

occurs when resources are allocated in a way that maximizes the production of goods and services at the lowest cost, minimizing waste and inefficiency.

Automobile Safety

Automobile Safety involves the design, equipment, and regulations that aim to minimize the occurrence and consequences of traffic accidents.

Additional Cost

Expenses that are not initially planned for but arise during the production or execution of a project, also known as incidental or unforeseen costs.

Economic Efficiency

A state in which resources are allocated in a way that maximizes the total benefits received by all individuals in an economy.