In a Three-Tier Application Model, the User Interface Is Often

question 22

Multiple Choice

In a three-tier application model, the user interface is often referred to as a(n) ____.

• A) GUI
• B) thin client
• C) program unit
• D) OTN

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Definitions:

Null Hypothesis

The null hypothesis is a statement or hypothesis that there is no significant difference or effect, typically to be tested against an alternative hypothesis.

Critical Value

The threshold in a statistical test such that if the calculated test statistic is beyond this point, the null hypothesis is rejected.

Chi-Square Tests

Statistical tests used to determine if there is a significant difference between the expected frequencies and the observed frequencies in one or more categories.

Test Statistic

A value calculated from sample data used to evaluate the credibility of a hypothesis about a population.