Examlex
________ is a measure of the dispersion of random variable values about the expected value or mean.
Sentiment Mining
The process of analyzing online pieces of text to determine the emotional tone they carry, for purposes like understanding customer opinions.
Social Media Sites
Platforms where users create, share, and interact with content and each other online.
Unstructured Question
A type of question that is open-ended, allowing respondents to answer in their own words, providing rich qualitative data.
Developing A Questionnaire
The process of designing a set of questions aimed at gathering information from respondents for research, survey, or analysis purposes.
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