The people appear to be dressed formally.
They also appear to be smiling.
This example of her competence might best be labeled as multicultural awareness.
"Multicultural awareness" is called the characteristic by which certain group leaders or opinion makers tend to protect cultural differences within a group or society, that is, integrating the different cultural components and seeking to avoid any form of discrimination or separation based on differences between members.
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The problem faced when listening to a lecture is attention deficit.
<h3>What is Attention deficit?</h3>
This is a type of brain disorder in which individuals have difficulty in maintaining attention for a long time.
A lecture regardless of the topic being discussed or environment could be faced with attention deficit in individuals who have this issue thereby making it the most appropriate choice.
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It is a "inferential statistic." Inferential statistics seek to determine what a population might think or believe.