Examlex
A sample of 13 college professors has a mean age of 30 years and a standard deviation of 5 years.Suppose that the sample is enlarged to 15 college professors,by including two additional professors that are each 30 years old.Will the standard deviation increase,decrease,or stay the same,and why?
Critical Thinking
The objective analysis and evaluation of an issue in order to form a judgment; involves questioning, analysis, synthesis, and reflection.
Cognitive Skills
Mental capabilities that involve processing information, understanding concepts, solving problems, and making decisions.
Inferences
The act of drawing conclusions based on evidence and reasoning rather than explicit statements.
Information Processing Theorist
An information processing theorist studies how human minds process and understand information, focusing on mechanisms like perception, memory, and problem-solving.
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