If Selecting Samples of Si $\mathrm { n } > 30$

question 27

Multiple Choice

If selecting samples of si $\mathrm { n } > 30$ from a population with a known mean and standard deviation,what requirement, if any, must be satisfied in order to assume that the distribution of the sample means is a normal distribution?

• A) None; the distribution of sample means will be approximately normal.
• B) The population must have a normal distribution.
• C) The population must have a standard deviation of 0.
• D) The mean must be equal to the standard deviation.

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Definitions:

Subsidies

Financial assistance granted by a government or institution to support businesses, industries, or individuals, often to encourage production or consumption.

Agricultural Surpluses

The excess production of agricultural products beyond what is needed to meet the demand, often resulting in lowered prices and wasted resources.

Developing Countries

Nations with a lower level of material wealth, less developed industrial bases, and lower Human Development Index ratings compared to more developed countries.

Minimum Wage

A legal floor on the wage rate. The wage rate is the market price of labor.