Question

Find the mean from the following table Marks number of students 0-10 15 10-20 20
20-30 35
30-40 20
40-50 10

Answer 1

Step-by-step explanation:

mean = 15 + 20 + 35 + 20 + 10 /5

= 100/5

= 20

Answer 2

Answer:

24

Step-by-step explanation:

explanation is in the picture full solved. ...