UPSKILL MATH PLUS
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Learn more1. Construction of a cumulative frequency table is useful in determining the
2. In the following distribution:
Monthly income range (in Rs) | Number of families |
Income more than \(₹ 10000\) | \(100\) |
Income more than \(₹ 13000\) | \(85\) |
Income more than \(₹ 16000\) | \(69\) |
Income more than \(₹ 19000\) | \(50\) |
Income more than \(₹ 22000\) | \(33\) |
Income more than \(₹ 25000\) | \(15\) |
the number of families having income range in \(₹ 16000-19000\) is