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Find mean and mode of the following distribution : [TABLE_CONTENT_MISSING]
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Sol. [TABLE_CONTENT_MISSING] Correct table (2 Marks)
Mean $= 35 + \frac{(-1)}{50} \times 10 = 34.8$ (1 Mark)
Modal class is $40 – 50$. (1/2 Mark)
Mode $= 40 + [\frac{13-10}{2\times13-10-3}] \times 10$ (1 Mark)
$= 42.3$ (approx.) (1/2 Mark)
Mean $= 35 + \frac{(-1)}{50} \times 10 = 34.8$ (1 Mark)
Modal class is $40 – 50$. (1/2 Mark)
Mode $= 40 + [\frac{13-10}{2\times13-10-3}] \times 10$ (1 Mark)
$= 42.3$ (approx.) (1/2 Mark)