From a Population of 500 Elements, a Sample of 225

question 55

Multiple Choice

From a population of 500 elements, a sample of 225 elements is selected. It is known that the variance of the population is 900. The standard error of the mean is approximately

• A) 1.1022.
• B) 2.
• C) 30.
• D) 1.4847.

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Definitions:

Exponentiation

An operation in mathematics that uses two values, the base and the exponent, with the base being repeatedly multiplied by itself a number of times equal to the exponent.

Exponentiation

A mathematical operation, written as a^b, involving two numbers, the base (a) and the exponent (b), where the base is multiplied by itself the exponent number of times.

Division

The process of assigning or distributing something into separate parts or groups.

Equation Complexity

A measure of the difficulty or intricacy of a mathematical equation, often based on the number of operations or variables involved.