Question

class mark of median class 30-45 is​

Answer 1

Answer:

Step-by-step explanation:

Class mark =  

2

upperlimit+lowerlimit

​

 

for 30-35 =  

2

30+35

​

=32.5

for 35-40 =  

2

35+40

​

=37.5

for 40-45=  

2

40+45

​

=42.5

Answer 2

Answer:

15

Step-by-step explanation:

15 is the answer okokok9