Sachin made the following runs in different matches: {:("Runs",5-15,15-25,25-35,35-45,45-55),("Frequency"," "10," "12," "17," "19," "22):} Calculate the average mean of the runs by Step-deviation Method.

Sachin made the following runs in different matches: {:("Runs",5-15,1

1.	Sachin made the following runs in different matches: {:("Runs",5-15,15-25,25-35,35-45,45-55),("Frequency"," "10," "12," "17," "19," "22):} Calculate the average mean of the runs by Step-deviation Method.
Answer» ANSWER :AVERAGE MEAN = 33.875 RUNS