____ Is a Private Version of a Chat Room

question 90

Multiple Choice

____ is a private version of a chat room.

• A)Email
• B)Blogging
• C)E-commerce
• D)Instant messaging

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Definitions:

Interaction Effect

In statistical analysis, refers to a situation where the effect of one independent variable on the dependent variable is different at various levels of another independent variable.

Alternative Hypothesis

An alternative hypothesis is a statement in hypothesis testing that is directly tested and proposes a statistically significant difference between data sets.

Degrees Of Freedom

The number of independent pieces of information involved in estimating a parameter or calculating a statistic, often related to the sample size.

Interaction Effects

Occur when the effect of one independent variable on a dependent variable changes depending on the level of another independent variable.