_______ Allow(s) Visitors to Ask Questions About Products or Services

question 21

Multiple Choice

_______ allow(s) visitors to ask questions about products or services in real time.

• A) E-mail
• B) Blogs
• C) Live chat
• D) Web-based forms

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Definitions:

Null Hypothesis

A hypothesis that asserts there is no significant difference or effect and serves as the default assumption to be tested against an alternative hypothesis.

Chi-square Statistic

A statistical test used to determine if there's a significant difference between observed frequencies and expected frequencies in categorical data.

Degrees of Freedom

The number of independent pieces of information used in the calculation of a statistic, often associated with the complexity of the data.

Degrees of Freedom

The number of independent pieces of information available to estimate another datum or parameter in a statistical analysis.