Tonya Conducted a Research Project in Which She Arranged for People

question 5

Multiple Choice

Tonya conducted a research project in which she arranged for people of different ages to complete a survey of life satisfaction. She then compared the reports of life satisfaction across different age levels. Tonya's research best illustrates a

• A)longitudinal study.
• B)normal curve.
• C)cross-sectional study.
• D)standard deviation.

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Definitions:

Frequency Distribution

The representation, either in a graphical or tabular format, of how often each value in a set of data occurs.

Cumulative Frequency

The sum of the frequencies of all values that are less than or equal to a certain value, often used in statistical analysis to determine the number of observations below a specific value.

Relative Frequency

Relative frequency is the proportion or ratio of the number of times a value occurs in a dataset to the total number of observations.

Examination Scores

Quantitative measures that represent an individual's level of performance or achievement on a standardized test or examination.