In a Statistic Class, 10 Scores Were Randomly Selected with the Following

question 36

Multiple Choice

In a statistic class, 10 scores were randomly selected with the following results were obtained (mean = 71.5) :
74, 73, 77, 77, 71, 68, 65, 77, 67, 66

-What is the standard deviation?

• A)22.72
• B)12.00
• C)4.77
• D)516.20
• E)144.00

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Definitions:

Epinephrine

A hormone and neurotransmitter also known as adrenaline, involved in regulating heart rate, blood vessel and air passage diameters, and metabolic shifts; it plays a key role in the fight-or-flight response.

Social Withdrawal

The act of removing oneself from social interactions and activities, often due to feelings of depression, anxiety, or disinterest.

Increased Empathy

A heightened ability to understand and share the feelings of another.

Racial Discrimination

The unjust or prejudicial treatment of different categories of people, especially on the grounds of race, color, or ethnic origin.