Following is a simple linear regression model: yi = xi The following results were obtained from statistical software: syx (regression standard error) = 5.976 SST = 2,018.73 n (total observations) = 30 Variable Parameter Estimate Std. Err. of Parameter Est. Constant -0.0080 0.0029 X -0.0026 0.0011 A 90% confidence interval for the intercept is (keep three decimals): Group of answer choices the lower limit of the confidence interval is -0.013; the upper limit of the confidence interval is -0.003 the lower limit of the confidence interval is -0.016; the upper limit of the confidence interval is -0.001 the lower limit of the confidence interval is -0.005; the upper limit of the confidence interval is -0.003 the lower limit of the confidence interval is -0.014 ; the upper limit of the confidence interval is -0.002