The table below shows results from a study on the sucrose consumption (mg in 30 minutes) of black blowflies injected with Pargyline or saline (control). Control Pargyline n 900 841 y¯ 14.9 46.5 s 5.4 11.7 Construct a 95% confidence interval for the difference between the two population means (Pargyline - Control). Use the method for unequal variances. The degrees of freedom for this test is 1,274. (Formula 6.7.1 in the book.)