Question

the class marks of distribution are 37‚42‚47‚52‚57‚62‚67‚72 determine the (1) class size (2)class limits​

Answer 1

class size is 5.

class limit is lower limit in a class as 37

Answer 2

class size=5

class limit will be different for each class as

for 37-42

here lower limit is 37 and upperlimit is 42

also for 42-47

lower limit is 42 and upper limit is 47