Lof
me dian
+ t
f
40
)
Class Interval
56 - 48
39
median
class
29
98-55
JO
12
©
17
10- 47
32 -
39
3
24 - 31
8 8
- 23
n = 40
n
z
- lefli
.
y
y = L man &
finan​