Question

write the lower limit , upper limit,class size of the following
a)0-10
b)10-20
c)15-25
d)40-45

Answer 1

a) lower limit -0
upper limit-10
class size-0+10/2 =5

b) l.l-10
u.l -20
c.s-30/2 =15
c)l.l-15
u .l- 25
c .s- 40/2 =20
d) l.l-40
u.l-45
c.s-85/2 =42.5