If the Population Distribution Is Unknown,in Most Cases the Sampling

question 90

True/False

If the population distribution is unknown,in most cases the sampling distribution of the mean can be approximated by the normal distribution if the samples contain at least 30 observations.

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Definitions:

Algebraic Expression

An algebraic expression is a mathematical phrase that can contain numbers, variables, and operation symbols but does not have an equality sign.

Algebraic Expression

A mathematical phrase that can contain ordinary numbers, letters (variables), and operators, indicating operations to be performed.

Money

Any item or verifiable record that is generally accepted as payment for goods and services and repayment of debts, such as banknotes and coins.

Algebraic Expression

An expression in mathematics that may include usual figures, variables (such as x or y), and mathematical operations (such as addition, subtraction, multiplication, and division).