Question

find the mean continuous series.
class interval 0-10 10-20 20-30 30-40 40-50 50-60 60-70 70-80
frequency 5 7 10 20 5 3 5 5​

Answer 1

Step-by-step explanation:

find the mean continuous series.

class interval 0-10 10-20 20-30 30-40 40-50 50-60 60-70 70-80

frequency 5 7 10 20 5 3 5 5 idont no the answer