Draw a histogram for the following data: Class interval 600-640 6… - Vidyadip

Question

Draw a histogram for the following data:

Class interval	600-640	640-680	680-720	720-760	760-800	800-840
Frequency	18	45	153	288	171	63

Hint. Take 1 small division = 3.

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Similar questions

Given below is the result of an annual examination of a class, showing the percentage of students in each category.

First division	Second division	Third division	Failed
25%	45%	20%	10%

Represent the above data by a pie chart.

The ages (in years) of 360 patients treated in a hospital on a particular day are given below:

Age (in years)	10-20	20-30	30-40	40-50	50-60	60-70
Number of patiets	90	40	60	20	120	30

Draw a histogram for the given data.
Hint. Take 10 small divisions = 10 patients.

Solve the following equation and also check your result in case:
$\frac{3}{4}\text{x}+4\text{x}=\frac{7}{8}+6\text{x}-6$

Draw a rectangle ABCD such that l(AB) = 6.0 cm and l(BC) = 4.5 cm.

If $\text{x}^2+\frac{1}{\text{x}^2}=18,$ find the values of $\text{x}+\frac{1}{\text{x}}$ and $\text{x}-\frac{1}{\text{x}}.$

It x and y vary inversely, fill in the following blanks:

x	16	32	8	128
y	4	...	...	0.25

Find the smallest number that must be subtracted from those of the numbers which are not perfect cubes, to make them perfect cubes. What are the corresponding cube roots?

130
345
792
1331

Observe the following pattern,
$1^2=\frac{1}{6}\big[1\times(1+1)\times(2\times1+1)\big]$
$1^2+2^2=\frac{1}{6}\big[2\times(2+1)\times(2\times2+1)\big]$
$1^2+2^2+3^2=\frac{1}{6}\big[3\times(3+1)\times(2\times3+1)\big]$
$1^2+2^2+3^2+4^2=\frac{1}{6}\big[4\times(4+1)\times(2\times4+1)\big]$
and find the values of each of the following:

$1^2+2^2+3^2+4^2+\ .....\ +10^2$
$5^2+6^2+7^2+8^2+9^2+10^2+11^2+12^2$

Observe the following pattern,
$1=\frac{1}{2}\{1\times(1+1)\}$
$1+2=\frac{1}{2}\{2\times(2+1)\}$
$1+2+3=\frac{1}{2}\{3\times(3+1)\}$
$1+2+3+4=\frac{1}{2}\{4\times(4+1)\}$
and find the values of each of the following:

$1+2+3+4+5+\ .....\ +50$
$31+32+\ ...\ +50$

$\frac{2}{3}(\text{x}-5)-\frac{1}{4}(\text{x}-2)-\frac{9}{2}$