Prakash Tiwari and Ishita Joshi Solutions for Chapter: Data Handling, Exercise 5: Let's Practice

If mean of $\mathrm{x}, \mathrm{x}+1, \mathrm{x}+2, \mathrm{x}+3, \mathrm{x}+4, \mathrm{x}+5, \mathrm{x}+6$ is $30$, then find the value of $\mathrm{x}$.

The height in $\left(\mathrm{cm}\right)$ of $10$ students in a class is given as follows:

$150, 148, 156, 171, 178, 152, 143, 161, 165, 170.$

Arrange the heights of the heights of the students in ascending order.

The height in $\left(\mathrm{cm}\right)$ of $10$ students in a class is given as follows:

$150, 148, 156, 171, 178, 152, 143, 161, 165, 170.$

What is the range of the given data?

The height in $\left(\mathrm{cm}\right)$ of $10$ students in a class is given as follows:

$150, 148, 156, 171, 178, 152, 143, 161, 165, 170.$

Determine the mean height of the students.

Rohit and Rohan scored the following marks in different subjects. Their scores are represented as follows

Using the above data, determine whose average is better?

The number of candies bought by $8$ children in a colony is as follows: $8, 13, 6, 25, 40, 33, 20, 15.$

Find the median of the above arrangement.

The number of toys bought by $9$ families for their children is given as: $9, 16, 20, 8, 3, 5, 15, 14, 11.$

Find the mean and median of the above arrangement.

The number of sixes hit by 7 batsmen in a particular cricket match are $7, 6, 4, 1, 2, 5, 6$.

Determine the mean and median of the above data: