R. D. Sharma Solutions for Chapter: Statistics, Exercise 4: EXERCISE 15.4

Compute the median for each of the following data.

Compute the median for each of the following data.

A survey regarding the heights (in $\mathrm{cm}$ ) of $51$ girls of class $\mathrm{X}$ of a school was conducted and the following data was obtained.

Find the median height.

A life insurance agent found the following data for distribution of ages of $100$ policy holders. Calculate the median age, if policies are given only to persons having age $18$ years onwards but less than $60$ years.

The lengths of $40$ leaves of a plant are measured correct to the nearest millimeter, and the data obtained is represented in the following table:

Find the median length of leaf (in $\mathrm{mm}$)

An incomplete distribution is given as follows:

You are given that the median value is $35$ and the sum of all the frequencies is $170$. Using the median formula, fill up the missing frequencies. Also find the sum of frequencies.

The median of the distribution given below is $14.4$. Find the values of $x$ and $y$, if the total frequency is $20$. Find the sum of missing values.

The median of the following data is $50$. Find the values of $\mathrm{p}$ and $\mathrm{q}$, if the sum of all the frequencies is $90$. Also find the sum of missing frequencies.