Question

pls answer , it's urgent

Answer 1

Lower limit of first class interval is 15
Class limits forth class interval is 30-35
Class mark of class 45-45 is 5
Class size 5

Answer 2

HEY FRIEND..........

HERE IS UR ANSWER...........

Lower limit of first class interval is 15

Class limits forth class interval is 30-35

Class mark of class 45-50 is 4

Class size is 5( as we are taking each 5 units for the class interval)

HOPE IT HELPS!!!PLS MRK IT AS BRAINLIEST!!