The following table shows the monthly income of 20 families.Find the m – InterviewSolution

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The following table shows the monthly income of 20 families.Find the mean monthly income of those families. Monthly income (xi) Number of families (fi) fixi 20000 2 40000 50000 4 200000 100000 5 500000 75000 6 450000 60000 3 180000

Answer» The following table shows the monthly income of 20 families.Find the mean monthly income of those families.

Monthly income ( $x_{i}$ )	Number of families ( $f_{i}$ )	$f_{i} x_{i}$
20000	2	40000
50000	4	200000
100000	5	500000
75000	6	450000
60000	3	180000

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