Most Online Backup Services Are Free

question 20

True/False

Most online backup services are free.

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Definitions:

Alpha

In statistics, alpha represents the level of significance, the probability of rejecting the null hypothesis when it is true, often set at 0.05.

Unemployment Rate

The fraction of people in the labor force who are without jobs and are looking for employment.

Random Sample

A subset of individuals chosen from a larger set (population) in such a way that every member has an equal chance of being included.

Null Hypothesis

A statistical proposition that asserts the absence of a difference or effect, typically to be tested against an alternative hypothesis suggesting a significant effect or relationship.