Use the Following to Answer Questions

Short Answer

Use the following to answer questions :
The mean G.P.A (grade point average)of all male students at a college is 2.75 and the mean G.P.A of all female students at the same college is 2.98.The standard deviations of the G.P.As are 0.36 for the males and 0.30 for the females.Suppose we take one sample of 48 male students and another sample of 41 female students from this college.Assume the populations are normally distributed.
-What is the standard deviation of the sampling distribution of the difference between the mean G.P.As for males and females,rounded to four decimal places?