Question 15 1 pt 1 98 Independent samples from two different populations that are both approximately normally distributed yield the following data: x1 = 198 , 2 = 192.9 , $1 = 4.7, $2 = 4.4, n1 = 39, n2 = 38. Construct a 90% confidence interval for the difference of the population means, /1 - /2 . Round your answers to 3 places after the decimal point, if necessary. If it is not appropriate to construct a confidence interval in this situation, then enter "0" in both answer boxes below. 90% confidence interval: Submit