*(1) Find the first and third quartile for the
following ungrouped data.
Income (lakh ) 5 4 9 12 15 6 10
No. of Person8 6 12 8 6 9 10
in this question how to know the 1st and 3rd quartile
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Answer:
lakh means 500000,400000-- and then find it the by formula q1=n+1/4
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