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Find the mean of the following distribution :
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Mean $= A + h \times \frac{\sum f_i u_i}{\sum f_i}$
Here, $A = 52.5$, $h = 15$, $\sum f_i u_i = -76$, $\sum f_i = 100$
Mean $= 52.5 + 15 \times \frac{-76}{100}$
$= 52.5 - 15 \times 0.76$
$= 52.5 - 11.4$
$= 41.1$
Here, $A = 52.5$, $h = 15$, $\sum f_i u_i = -76$, $\sum f_i = 100$
Mean $= 52.5 + 15 \times \frac{-76}{100}$
$= 52.5 - 15 \times 0.76$
$= 52.5 - 11.4$
$= 41.1$