Twenty Students Were Randomly Selected from the Most Recent Graduating

question 230

Multiple Choice

Twenty students were randomly selected from the most recent graduating class at a Canadian university. The number of semesters they were enrolled was calculated (mean = 9.6)
7, 8, 10, 11, 8, 6, 10, 9, 9, 8, 13, 12, 8, 11, 11, 14, 8, 7, 10, 12

-What is the standard deviation?

• A)8
• B)2.162
• C)9.5
• D)4.674
• E)21.846

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Definitions:

Brain Activity

The electrical and biochemical actions within the brain, underlying both cognitive and physical functions.

Industrial-Organizational Psychologists

Psychologists who apply psychological theories and principles to workplace environments, aiming to improve productivity, working conditions, and employee well-being.

Workforce

The total number of a country's population employed in the armed forces and civilian jobs, plus those unemployed people who are actually seeking paid work.

Evolutionary Heritage

The traits and characteristics that have been passed down through generations as a result of evolutionary processes.