The following table shows the mean, standard deviation, 10^th, 25^th, 75^th, and 90^th percentiles for students' grades in classes A and B.

Mean SD Pio P25 P75 Pgo Class A 66 O 38 55 77 94 Class B 72 27 32 50 70 84 Do not enter % symbol into the answer boxes. Round to 1 decimal place if necessary to round