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This is a worksheet to review least squares regression.
Students are provided with data of advertising expense and sales. Through a guided-question worksheet, students will create scatter-plot, find the regression line, and use the model to make estimations. They are also asked about the slope, y-intercept, linear correlation, causation, and out-of-scope situation.
Teacher may also encourage discussion of business practices, such as sales and advertising.
The document also contains suggested solution.
The document is also editable to suit the needs of your students.