Mean Deviation

Find the mean deviation(in decimal) about the mean for the following data:

$6,8, 4, 13, 9, 5, 16, 19$.

mean deviation from the mean for the data

$4, 7, 8, 9, 10, 12, 13, 17$ is _____

Calculate the mean deviation about mean from the following data, relating to height (to the nearest cm) of $100$ children.

Find the sum of the absolute value of all the deviation for the first four multiples of $2$.

Find the mean deviation about the mean of first $16$ natural numbers.

Find the mean deviation about the median of first $5$ prime numbers.

The following table represents marks obtain by the students of a class. Find the mean deviation about the mean.

Find the Mean deviation of the following data:

$8, 5, 8$, $7, 5, 10, 4, 8$

What will be the mean deviation of a set of observation containing squares of first $7$ natural numbers?

The mean and mean deviation of a set of $8$ observations is $19$ and $6.25$ respectively. It was later found out that one of the observations was wrongly read as $32$ instead of $40$. What is the difference between the correct mean deviation and incorrect mean deviation?

Marks of a student in $4$ differents subject are $20,22,25$ and $24$. Find the mean deviation.

Find the mean deviation of the set of data $\left\{4,3,2,5,1\right\}$.

The number of pages typed by a person from January to May are $500,400,600,550$ and $450$. Find mean deviation.

There are $9$ terms in a sequence which is in descending order. Its mean value is $90$. If we add $50$ to each term and then each term is divided by $3$, we get a new mean $\mathrm{M}$. What is the difference between $\mathrm{M}$ and the original mean?

At the end of the year, Mahesh analysed his last five-month salary figures. He found the mean and median salary figures as $\mathrm{Rs}. 6 \mathrm{lacs}$ and the only mode salary figure as $\mathrm{Rs}. 8 \mathrm{lacs}$. If all his salaries are in lacs then what is the sum of the highest and the lowest salary earned by him?

If the mean of the first $7$ positive integral multiples of $13$ is denoted by $\mathrm{p}$ and the median of the same numbers is denoted by $\mathrm{q}$, then what is the value of $\mathrm{p}-\mathrm{q}$?

There are $11$ students in a class. Their marks are as follows in an exam- $34, 57, 89, 65, 80, 54, 24, 76, 83, 44, 93$. What is the co-efficient of mean deviation if it is taken from the median?

Mean deviation about the median for the following data:

$4,6,9,3,10,13,2$

The mean deviation from the median for the following distribution (corrected to two decimals) is

The mean deviation about the mean for the following data is: