SUMMARY OUTPUT Regression Statistics Multiple R 0,864631791 R Square 0,747588134 Adjusted R Squa 0,728171837 Standard Error 6,720290745 Observations 15 Coefficients Standard Error t Stat P-value Intercept 19,98 4,389675533 4,551589 0,000544 Sales Calls 0,260625 0,042001817 6,205089 3,19E-05 The table attached is regression output of the relationship between number of phone call (by sales person to potentials customers) and number of unit sold (copier machine) 1. what is the independent and dependent variable ? 2. Develop the regression equation 3. Interprets the relationship between independent variable and dependent variable 4. Interpret the coefficient of determination 5. Does the relationship significance