Question

The following table shows the life expectancy (average age to which people live) in various countries in a particular year. Represent this data by a bar graph.

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

Answer 1

We can draw the bar graph by following the given steps:

Step 1.- On a graph paper, draw a horizontal line OX as x-axis and vertical line OY as y-axis.

Step 2.- Along OX, write the names of the countries at the points that are taken at a uniform gap.

Step 3.- Choose the scale:
1 big division = 10 years
1 small division = 1 year

Step 4.- Heights of the various bars:
Japan = 76 small divisions = 7 big divisions and 6 small divisions
India = 57 small divisions = 5 big divisions and 7 small divisions
Britain = 70 small divisions = 7 big divisions
Ethiopia = 43 small divisions = 4 big divisions and 3 small divisions
Cambodia = 36 small divisions = 3 big divisions and 6 small divisions

Step 5.- Draw bars of equal width on the x-axis. The difference between the two bars should also be the same.

We get the following bar graph: