A regression line is used to satisfactorily describe the relationship between the width of tires in inches and lifespan in months of 14 tires in a tire performance study The regression analysis is shown Variable Constant Width of tires R squared Coeff SE Coeff t Ratio 88 5 7 3985 0 5638 13 12 0 034 3 9571 0 7382 5 36 p Value 87 9 0 005 R squared adj Which expression should be used to compute a 98 percent