The Expected Value Of $\bar { x }$ Equals the Mean of the Population from Which the Sample

question 50

Multiple Choice

The expected value of $\bar { x }$ equals the mean of the population from which the sample is drawn _____.

• A) only if the sample size is 30 or greater
• B) only if the sample size is 50 or greater
• C) only if the sample size is 100 or greater
• D) for any sample size

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Definitions:

Production

The process of creating goods and services from various inputs such as labor, technology, and raw materials.

Price Level

The average of current prices across the entire spectrum of goods and services produced in an economy.

Short Run

A period in economics where at least one factor of production is fixed, limiting the ability to increase output.

Aggregate Demand

Aggregate demand is the total demand for all goods and services within an economy at a given overall price level and within a given time period.