You Want to Compare a Sample Average to a Population

question 14

Multiple Choice

You want to compare a sample average to a population average.There are 25 people in the sample.You would use a ________ to determine statistical significance.

• A)t-test
• B)r-test
• C)stat-test
• D)Z-test

Acknowledge the legal consequences for employer misconduct related to union activities.

Know the rights of employees and obligations of employers during a union election phase.

Understand the role of the NLRB in regulating union activities and employer-employee relations.

Recognize the legal and illegal tactics in union organizing and campaigning.

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Definitions:

Null Hypothesis

A hypothesis that suggests there is no statistical significance between the specified sets of observations.

Support

In data mining and machine learning, it often refers to the frequency or occurrence of certain patterns or relationships within a dataset.

Population Parameter

A numerical value that represents a characteristic of a population, such as its mean or variance.

Hypothesis

A proposed explanation for a phenomenon, made as a starting point for further investigation.