class 0 &U 50 50 &U 100 100 &U 150 150 &U 200 200 &U 250 freq ___.- The standard deviation of the above continuous sample data is: G) 1) 60.60 C) 2) 62.36 C) 3) 3672.84 0 4) 3888.89 class 0 &U 50 50 &U 100 100 &U 150 150 &U 200 200 &U 250 freq ___.- The median class of the above continuous data is: O 1) 0 &U 50 O 2) 50 &U 100 O 3) 100 &U 150 Q 4) 150 &u 200 O 5) 200 &U 250 \fclass O &U 50 50 &U 100 100 &U 150 150 &U 200 200 &U 250 freq ___.- The mean of the above continuous sample data is: O 1) 3.6 Q 2) 12573 O 3) 143.75 O 4) 152.78