of police patrols 15 20 18 12 25 21 17 23 14 C Gallons of gas used by police department 471 539 511 344 717 637 482 647 321 a Find the correlation coefficient round to 3 decimal places and use correct notation b Find the coefficient of determination round to 3 decimal places and use correct notation How much of the variation in y can be explained by the line of best fit round the percentage to 1 decimal place d Use the Table A 6 from your notes to determine if your value of r is a linear correlation Show your work e If the linear correlation coefficient exists then it is appropriate to use the linear regression equation to make predictions Find the linear regression equation round to 2 decimal places and use correct notation f Use the linear regression equation to predict the output for 22 police patrols round to 2 decimal places