A Violin Student Records the Number of Hours She Spends

question 42

Multiple Choice

A violin student records the number of hours she spends practicing during each of nine consecutive weeks: What is the median number of hours spent practicing per week during this period?

• A)6.15 hours
• B)5.76 hours
• C)6.20 hours
• D)8.40 hours

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Definitions:

Explanatory Variables

Variables in a statistical model that are used to explain variations in the dependent variable; also known as independent variables.

Statistical Significance

Indicates that the result of an analysis or experiment is unlikely to have occurred purely by chance, at a specified significance level.

SATM Scores

Scores from the math section of the SAT, a standardized test widely used for college admissions in the United States.

Predict

The act of forecasting the future outcome or behavior of something based on current or past data.