An Increase in Mass Hysteria, in Which Large Numbers of People

question 73

Multiple Choice

An increase in mass hysteria, in which large numbers of people share psychological or physical maladies that have no apparent cause, can be attributed to:

• A) social media.
• B) faking illnesses.
• C) overreacting.
• D) groupthink.

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Definitions:

Z

In statistics, often represents the standard score, which is the number of standard deviations a data point is from the mean.

Percentage

A way of expressing a number as a fraction of 100, used to compare proportions.

Normal Model

A theoretical distribution with a bell-shaped curve, symmetrical about the mean, used in statistics to describe how values of a variable are spread or distributed.

Top 2.5%

Referring to the upper echelon or highest-performing individuals or entities, specifically those in the 97.5th percentile and above.