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Find out arithmetic mean from the follow...

Find out arithmetic mean from the following distribution by Short-cut Method: `{:("Items",10-8,8-6,6-4,4-2,2-0),("Frequency"," "10," "8," "6," "4," "2):}`

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The correct Answer is:
Arithmetic Mean = 6.33
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TARUN JAIN & VK OHRI-MEASURES OF CENTRAL TENDENCY - ARITHMETIC MEAN-4. Essential Practicals
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