The median class of the following frequency distribution is ...........
Class$10-20$$20-30$$30-40$$40-50$$50-60$$60-70$$70-80$
Frequency$6$$10$$5$$6$$4$$2$$2$

  • A
    $30-40$
  • B
    $20-30$
  • C
    $40-50$
  • D
    $50-60$

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Similar Questions

Consider the following distribution:
Marks obtainedNumber of students
More than or equal to $0$$63$
More than or equal to $10$$58$
More than or equal to $20$$55$
More than or equal to $30$$51$
More than or equal to $40$$48$
More than or equal to $50$$42$

The frequency of the class $30-40$ is:

In the formula $\bar{x} = A + \frac{\Sigma f_{i} d_{i}}{\Sigma f_{i}}$,$d_{i} =$ .........

For some given data,if $M = 62.5$ and $\bar{x} = 64$,then $Z = \ldots$

Find the mean,median,and mode of the following frequency distribution:
Class $0-10$ $10-20$ $20-30$ $30-40$ $40-50$
Frequency $5$ $27$ $58$ $20$ $10$

The following is the distribution of weights (in $kg$) of $40$ persons:
Weight (in $kg$) $40-45$ $45-50$ $50-55$ $55-60$ $60-65$ $65-70$ $70-75$ $75-80$
Number of persons $4$ $4$ $13$ $5$ $6$ $5$ $2$ $1$

Construct a cumulative frequency distribution (of the less than type) table for the data above.

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