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Sachin made the following runs in differ...

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.

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The correct Answer is:
Average Mean = 33.875 runs
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TARUN JAIN & VK OHRI-MEASURES OF CENTRAL TENDENCY - ARITHMETIC MEAN-4. Essential Practicals
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