For the following distribution,



the modal class is
A. 10 - 20

B. 20 - 30

C. 30 - 40

D. 50 - 60

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 life.

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

A survey regarding the height (in cm) of 51 girls of class X of a school was conducted and the following data was obtained:

Find the median height.

If the median of the following data is 32.5, find the missing frequencies.

The median of the following data is 525. Find he missing frequency, if it is given that there are 100 observations in the data:

Calculate the median from the following data:

The following table gives the frequency distribution of married women by age at marriage

Calculate the median and interpret the results.

Calculate the median from the following data:

Following is the distribution of I.Q of 100 students. Find the median I.Q.

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 frequency.