Find the mean of the following data- beginmatrix x - - 19 - 21 - 23 - 25 - 2782983111f - - 13 - 15 - 16 - 18 - 16815 - 1311endmatrix A- 10B- 32C- 25D- 17

The correct option is C 25 [ x_i amp;f_i amp;x_i × f_i; 19 amp;13 amp;247; 21 amp;15 amp;315; ...

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Mean for Frequency Distribution Table

Find the mean...

Question

Find the mean of the following data:

$\begin{matrix} x : & 19 & 21 & 23 & 25 & 27 & 29 & 31 f : & 13 & 15 & 16 & 18 & 16 & 15 & 13 \end{matrix}$

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Solution

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Similar questions

$x$	$19$	$21$	$23$	$25$	$27$	$29$	$31$
$f$	$13$	$15$	$16$	$18$	$16$	$15$	$13$

x:	19	21	23	25	27	29	31
f:	13	15	16	18	16	15	13

18

19 - 21

Class	$11 - 13$	$13 - 15$	$15 - 17$	$17 - 19$	$19 - 21$	$21 - 23$	$23 - 25$
Frequency	$3$	$6$	$9$	$13$	$f$	$5$	$4$

18

f

If the mean of the data given below is 18, find R ?

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