Question 881666
30 individuals who take Atenolol: mean = 147, s = 6. 
Calculate the 95% confidence interval. 
DF 29, t* < .05, t* = -1.669

25 scores: mean of 49.66 and a standard deviation of 10.96.
Calculate the 99% confidence interval. 2-sided
DF 24, t* < .005, t* = -2.797
ME = 2.797(10.96/5)
43.52 - ME &#8804; µ &#8804;43.52 + ME