Mean of Grouped Data

Centuries scored and number of cricketers in the world are given below:

Find the mean of the given data.

Find the mean for the following data:

If assumed mean $\left(A\right)= 57.5$, $\sum _{}{f}_i{d}_i= -10$ and $\sum _{}{f}_i= 80$, then Mean $= \_\_\_\_\_$

Find the value of $x$ if mode is $6$ and median is $7$.

The mean of the following frequency distribution is $62.8$. the missing frequency $f$ is:

The mean of the following distribution is: 

How to find mean?

Mean of the data given in the table below is $6$. Find the value of $P$.

For some data. if $\Sigma f_i{x}_i=75\text{ and }\Sigma f_i=12$ then find $\overline{x}$

A company has four departments in which $24,15,10 \mathrm{and} 31$employees are working. The average wages of employees in the above department is$Rs.60, Rs.80, Rs.75 \mathrm{and} Rs.70$ . What are the average wages of all the employees of the company?

Mean$= 21.4$, $N= 40$. Find $f_1 \text{and} f_2$. 

If the mean of $x \text{and} \frac{1}{x}$ is $M$, the mean of $x^3 \text{and }\frac{1}{x^3}$ is:

The following table gives frequency distribution of trees planted by different housing societies in a particular locality.
Find mean number of trees planted by the housing society by using the 'step deviation method'.

Calculate Arithmetic mean from following distribution:

Find the mean and mode of the following frequency distribution:

Find $f_1$ and $f_2$ if mean is $91$.

What is mean formula?

Find the mean wages from the data given below

Mean of ten observations is $38.$ If one observation $56$ is excluded, then find the new mean.

Find mean: