The following table shows the life expectancy (average age to which people live) in various
countries in a particular year.

Country India Japan Britain Ethiopia Cambodia

Lifeexpectancy (in years) 65 80 75 50 45

Represent the above data by a bar graph.

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Solution

The following steps are followed while drawing the bar graph:

Step 1: On a graph paper, draw a horizontal line OX and a vertical line OY, representing the x-axis and y-axis respectively.
Step 2: Along OX, write the names of the countries at points taken at uniform gaps.
Step 3: Choose the scale: 1 small division = 1 year
Step 4: Then the height of the various bars are:
India : 65
Japan : 80
Britain : 75
Ethiopia : 50
Cambodia : 45
Step 5: On the x-axis, draw bars of equal width and of heights obtained in step 4 at the points marked in step 2.
The completed bar graph is as shown below:

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Similar questions

Country	Japan	India	Britain	Ethiopia	Cambodia
Life expectancy (in years)	76	57	70	43	36

Country	India	Nepal	China	Pakistan	U.K	U.S.A
Average age (in years)	55	52	60	50	70	75

Year	2010−11	2011−12	2012−13	2013−14	2014−15
No. of students	950	1125	1400	1750	1900

Average age of the people of a country is shown in the following table:

$\begin{matrix} Age (Years) & 10 - 20 & 20 - 30 & 30 - 40 & 40 - 50 & 50 - 60 People & 30 & 32 & 15 & 12 & 9 \end{matrix}$

Find out mean age by Direct Method.

Country	China	India	Germany	UK	Sweden
Birth rate per thousand	42	35	14	28	21

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