Professor Jones Has Observed a Correlation Between Students Sitting in the Front

question 92

Multiple Choice

Professor Jones has observed a correlation between students sitting in the front of the room and getting better grades in her classes.In order to conduct an "experiment" on this,Professor Jones could

• A)collect data on student study habits.
• B)assign students randomly to seats.
• C)adjust her data for overall grade point average.
• D)obtain similar data from other professors and classes.

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Definitions:

Least Squares Method

A mathematical technique used in regression analysis to minimize the sum of the squares of the differences between observed and predicted values.

Sum of Squares

A statistical measure that quantifies the total deviation of data points from their mean, often used in variance and standard deviation calculations.

Coefficient of Correlation

A statistical measure that calculates the strength and direction of the relationship between two variables.

Linear Relationship

A type of correlation where there is a constant rate of change between two variables.