If the median of a series exceeds the mean by 3, find by what number the mode exceeds its mean?

In the following frequency distribution, find the median class.

Find median of the data, using an empirical relation when it is given that Mode = 12.4 and Mean = 10.5.

Consider the following distribution:

(i) Calculate the frequency of the class 30 - 40.
(ii) Calculate the class mark of the class 10 - 25

Which central tendency is obtained by the abscissa of point of intersection of less type and more than type ogives ?

The following table gives the number of pages written by Sarika for completing her own book for 30 days:

 Find the number of pages written per day.

If the mean of the following data is 18.75, then find the value of p.

Karan scored 36 marks in English, 44 marks in Hindi, 75 marks in Mathematics and x marks in science. If he has scored an average of 50 marks, then find the value of x.

The ages of employees in a factory are as follows:

Find the median age of the employees. 

Write the relationship connecting three measures of central tendencies. Hence find the median of the given data if mode is 24.5 and mean is 29.75

If the mean of the following distribution is 54, find the value of p.

Find the median of the first ten prime numbers.

200 surnames were randomly picked up from a local telephone directory and the frequency distribution of the number of letters in English alphabets in the surnames was obtained as follows:

Find the median of the above data. 

If median=137 units and mean=137.05 units, then find the mode.

The daily income of a sample of 50 employees are tabulated as follows:

Find the mean daily income of employees. 

Calculate the mean of the scores of 20 students in a Mathematics test.

The following table shows the age distribution of cases of a certain disease admitted during a year in a particular hospital:

(i) Find the average age for which maximum cases occured.
(ii) Which mathematical concept is used in this problem?
(iii) What is its value?

Find the mode of the following frequency distribution:

The median of the following data is 525. Find the values of x and y if the total frequency is 100.

The following table gives the daily income of 50 workers f a factory

Find the mean, mode and median of the above data .