Question

The following data is collected in a survey of some students of 10 standard
from some schools. Draw the percentage bar graph of the data.
School
Inclination towards
science stream
90 60 25 16
Inclination towards
commerce stream
60 20 25 24
in schools 1 2 3 4 respectively
​

Answer 1

bar graph of the data is plotted for Inclination towards science & commerce stream

Step-by-step explanation:

School Science            Science % Commerce Commerce %

1                  90           47.1     60         46.5

2           60           31.4     20         15.5

3           25           13.1     25         19.4

4           16           8.4     24         18.6

          191           100 129 `               100

A bar chart or bar graph is a chart or graph that presents categorical data with rectangular bars with heights or lengths proportional to the values that they represent. The bars can be plotted vertically or horizontally.

Here we have plotted vertically

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Answer 2

Given that,

Number of school $N= 1^{st}, 2 ^{nd}, 3^{rd}, 4^{th}$

Inclination towards  science stream

$S=90, 60, 25, 16$

Inclination towards  commerce stream

$S=60, 20, 25, 24$

We need to find the total number of students in givine school

Using sum of students in givine school

$T=150, 80, 50, 40$

We need to calculate the percentage of science student in each school

Using formula of percentage

$\text{Percentage of student of first school} =\dfrac{90}{150}\times100$

$\text{Percentage of student of first school} =60\%$

$\text{Percentage of student of second school} =\dfrac{60}{80}\times100$

$\text{Percentage of student of second school} =75\%$

$\text{Percentage of student of third school} =\dfrac{25}{50}\times100$

$\text{Percentage of student of third school} =50\%$

$\text{Percentage of student of fourth school} =\dfrac{16}{40}\times100$

$\text{Percentage of student of fourth school} =40\%$

We need to calculate the percentage of commerce student in each school

Using formula of percentage

$\text{Percentage of student of first school} =100-60 = 40\%$

$\text{Percentage of student of first school} =100-75 = 25\%$

$\text{Percentage of student of first school} =100-50 = 50\%$

$\text{Percentage of student of first school} =100-40 = 60\%$

Now, We draw the percentage bar graph of this data.

Hence, This is required solution.