15.1 Give as much information as you can about the P-value for an upper-tailed F test in each of the following situations:

a. df1 5 4, df2 5 15, F 5 5.37

b. df1 5 4, df2 5 15, F 5 1.90

c. df1 5 4, df2 5 15, F 5 4.89

d. df1 5 3, df2 5 20, F 5 14.48

e. df1 5 3, df2 5 20, F 5 2.69

f. df1 5 4, df2 5 50, F 5 3.24