A professor of accounting believes that an individual's salary rate in the firm (y) depends on their performance rating (X1) and the number of accounting courses the employee successfully completed in college (X2). The professor randomly selects 6 workers and collects the following information: Test Alpha: =.10 Data Display Salary Rate Performance Rating Courses Completed 10 3 0 12 1 5 15 8 1 17 5 8 20 7 12 25 10 9 Correlations Matrix for Factory data (Pearson) Wage Rat Perf Rate Perf Rate 0.836 0.038 Courses 0.765 0.366 0.076 0.475 Cell Contents: Correlation P-Value