The Side-By-Side Boxplots Show the Cumulative College GPAs for Sophomores

question 24

Multiple Choice

The side-by-side boxplots show the cumulative college GPAs for sophomores, juniors, and
Seniors taking an intro stats course in Autumn 2003.


Which class has the most skewed set of GPAs?

• A)Sophomore
• B)Junior
• C)Senior
• D)Both Junior and Senior

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Definitions:

Anonymous Survey

A survey in which the identities of the respondents are not known to the researchers, ensuring privacy and encouraging honest answers.

Case-control Study

An observational study design in which two groups differing in outcome are identified and compared on the basis of some supposed causal attribute.

Outcome Variable

The variable being measured or tested in an experiment or study to assess the effects of treatment or exposure.

Observational Epidemiological

The study of diseases within populations without manipulating the environment, observing the natural occurrence of health outcomes.