A Student Wants to Use a Curve to Represent the Number

question 26

Multiple Choice

A student wants to use a curve to represent the number of students in each class over the school day.The student's friend says a bar chart should be used.Who is correct, and why?

• A) The student; the curve is a more accurate representation.
• B) The friend; the data on class sizes are discrete but a curve implies the data are continuous.
• C) Both; either form of the graph gives the same information.
• D) Neither; the graph should present the cumulative frequency.

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Definitions:

Retrospective Studies

Research studies that analyze past data to assess outcomes and factors affecting them.

Evidence

Information or facts that help to establish the truth or validity of a belief, proposition, or phenomenon.

Longitudinal Design

A research design that involves repeated observations of the same variables or groups over a period of time, allowing for the study of changes and development.

Prospective Design

A research design that follows participants forward over a period of time to observe future outcomes.