The College Student Journal (December 1992)investigated Differences in Traditional and Nontraditional

question 9

Multiple Choice

The College Student Journal (December 1992) investigated differences in traditional and nontraditional students,where nontraditional students are defined as 25 years old or older and working.Based on the study results,we can assume the population mean and standard deviation for the GPA of nontraditional students is µ = 3.5 and ? = 0.5.Suppose a random sample of 100 nontraditional students is selected and each student's GPA is calculated.Calculate $\sigma _ { \bar { x } }$

• A)0.5
• B)3.5
• C)7.0
• D)0.05

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Definitions:

Experimental Group

A group in a scientific study that receives the treatment or condition being tested, as opposed to a control group, which does not.

Control Group

In experimental research, a group of subjects that does not receive the treatment being tested, used as a benchmark to measure how other subjects do.

Warm Room Temperature

A temperature setting in an indoor environment that feels comfortably warm to the majority of people, typically around 68 to 77 degrees Fahrenheit (20 to 25 degrees Celsius).

Aggressive Behaviour

Actions or patterns of actions aimed at causing harm, intimidation, or asserting dominance over others.