R. D. Sharma Solutions for Chapter: Data Handling-I (Classification and Tabulation of Data), Exercise 1: EXERCISE

The final marks in mathematics of $30$ students are as follows:

$53,\mathrm{61,48},60,78,68,\mathrm{55,100},\mathrm{67,90},75,88,77,37,84,58,\mathrm{60,48},62,\mathrm{56,44},58,52,64,98,59,70,39,50,60$

How many have scored less than $50 ?$

The weights of new-born babies (in $\mathrm{k}\mathrm{g}$) in a hospital on a particular day are as follows:$2.3, 2.2, 2.1, 2.7, 2.6, 3.0, 2.5, 2.9, 2.8, 3.1, 2.5, 2.8, 2.7, 2.9, 2.4$
If the highest weight is $k \mathrm{kg}$, find the value of $k$

The weights of new-born babies (in $\mathrm{k}\mathrm{g}$) in a hospital on a particular day are as follows:

$2.3, 2.2, 2.1, 2.7, 2.6, 3.0, 2.5, 2.9, 2.8, 3.1, 2.5, 2.8, 2.7, 2.9, 2.4$

If the lowest weight is $x \mathrm{kg}$, find the value of $x$

The weights of new-born babies (in $\mathrm{k}\mathrm{g}$) in a hospital on a particular day are as follows:

$2.3, 2.2, 2.1, 2.7, 2.6, 3.0, 2.5, 2.9, 2.8, 3.1, 2.5, 2.8, 2.7, 2.9, 2.4$

Determine the range.

The weights of new-born babies (in $\mathrm{k}\mathrm{g}$) in a hospital on a particular day are as follows:

$2.3, 2.2, 2.1, 2.7, 2.6, 3.0, 2.5, 2.9, 2.8, 3.1, 2.5, 2.8, 2.7, 2.9, 2.4$

How many babies were born on that day?

The weights of new-born babies (in $\mathrm{k}\mathrm{g}$) in a hospital on a particular day are as follows:

$2.3, 2.2, 2.1, 2.7, 2.6, 3.0, 2.5, 2.9, 2.8, 3.1, 2.5, 2.8, 2.7, 2.9, 2.4$

How many babies weigh below $2.5 \mathrm{k}\mathrm{g}$?

The weights of new-born babies (in $\mathrm{k}\mathrm{g}$) in a hospital on a particular day are as follows:

$2.3, 2.2, 2.1, 2.7, 2.6, 3.0, 2.5, 2.9, 2.8, 3.1, 2.5, 2.8, 2.7, 2.9, 2.4$

How many babies weigh more than $2.8 \mathrm{k}\mathrm{g}$ ?

The weights of new-born babies (in $\mathrm{k}\mathrm{g}$) in a hospital on a particular day are as follows:

$2.3,2.2,2.1,2.7,2.6,3.0,2.5,2.9,2.8,3.1,2.5,2.8,2.7,2.9,2.4$

How many babies weigh $2.8 \mathrm{k}\mathrm{g}$?