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The mode of the following frequency distribution is 38. Find the value of x.Class Interval0-1010-2020-3030-4040-5050-6060-70Frequency791216x611 |
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Answer» ∵ Mode = 38. ∴ The modal class is 30-40. Mode = \(l+\frac{f_1-f_0}{2f_1-f_0-f_2}\times h\) = 30 + \(\frac{16-12}{32-12-x}\) x 10 = 38 \(\frac{4}{20-x}\) x 10 = 8 8 (20 - x) = 40 20 - x = 5 X = 15 |
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