Data Interpretation - Bar Charts
- Bar Charts - Bar Chart 1
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- Bar Charts - Bar Chart 2
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- Bar Charts - Bar Chart 15
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- Bar Charts - Bar Chart 18
- Bar Charts - Bar Chart 19
The bar graph given below shows the foreign exchange reserves of a country (in million US $) from 1991 - 1992 to 1998 - 1999.
Foreign Exchange Reserves Of a Country. (in million US $)
Average foreign exchange reserves over the given period = 3480 million US $.
The country had reserves above 3480 million US $ during the years 1992-93, 1996-97 and 1997-98, i.e., for 3 years and below 3480 million US $ during the years 1991-92, 1993-94, 1994-95, 1995-56 and 1998-99 i.e., for 5 years.
Hence, required ratio = 3 : 5.
Required ratio = | 5040 | = 1.5. |
3360 |
There is an increase in foreign exchange reserves during the years 1992 - 1993, 1994 - 1995, 1996 - 1997, 1997 - 1998 as compared to previous year (as shown by bar-graph).
The percentage increase in reserves during these years compared to previous year are:
For 1992 - 1993 = | ![]() |
(3720 - 2640) | x 100 | ![]() |
% = 40.91%. |
2640 |
For 1994 - 1995 = | ![]() |
(3360 - 2520) | x 100 | ![]() |
% = 33.33%. |
2520 |
For 1996 - 1997 = | ![]() |
(4320 - 3120) | x 100 | ![]() |
% = 38.46%. |
3120 |
For 1997 - 1998 = | ![]() |
(5040 - 4320) | x 100 | ![]() |
% = 16.67%. |
4320 |
Clearly, the percentage increase over previous year is highest for 1992 - 1993.
Average foreign exchange reserves over the given period
= | ![]() |
1 | x (2640 + 3720 + 2520 + 3360 + 3120 + 4320 + 5040 + 3120) | ![]() |
million US $ |
8 |
= 3480 million US $.
Foreign exchange reserves in 1996 - 1997 = 4320 million US $.
![]() |
![]() |
4320 | x 100 | ![]() |
% = 124.14% ![]() |
3480 |
Foreign exchange reserves in 1997 - 1998 = 5040 million US $.
Foreign exchange reserves in 1993 - 1994 = 2520 million US $.
Increase = (5040 - 2520) = 2520 US $.
![]() |
![]() |
2520 | x 100 | ![]() |
% = 100%. |
2520 |