Find the median of the following frequency distribution.
Class $0 - 10$ $10 - 20$ $20 - 30$ $30 - 40$ $40 - 50$
$f_i$ $8$ $30$ $40$ $12$ $10$

  • A
    $19$
  • B
    $23$
  • C
    $13$
  • D
    $27$

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Similar Questions

Find the arithmetic mean of the following frequency distribution.
$x_i$ $5$ $8$ $11$ $14$ $17$
$f_i$ $4$ $5$ $6$ $10$ $20$

The average age of a teacher and three students is $20$ years. If all the students are of the same age and the difference between the teacher's age and the age of one of the students is $20$ years,find the teacher's age in years.

The median of the following frequency distribution is:
$x_i$ $3$ $6$ $10$ $12$ $7$ $15$
$f_i$ $3$ $4$ $2$ $8$ $13$ $10$

If the mean of the numbers $27, 31, 89, 107, 156$ is $82$,what is the mean of the numbers $130, 126, 68, 50, 1$?

For a symmetrical distribution,if ${Q_1} = 25$ and ${Q_3} = 45$,the median is

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