R. D. Sharma Solutions for Chapter: Statistics, Exercise 7: VERY SHORT ANSWER TYPE QUESTIONS (VSAQs)

Write the empirical relation between mean, mode and median.

Which measure of central tendency can be determined graphically?

Write the modal class for the following frequency distribution:

A student draws a cumulative frequency curve for the marks obtained by $40$ students of a class as shown below. Find the median marks obtained by the students of the class.

Find the sum of lower limit and upper limit of median class for the following frequency distribution.

If the distance between mode and mean is $\mathrm{K}$ times the distance between median and mean, then write the value of $\mathrm{K}$.

Find the class marks of classes $10-25$ and $35-55$. Also find the sum of class marks.

Find the sum of lower limit and upper limit of median class.