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Question

Study the table carefully and answer the questions that follow

In the following table, total Exports and Imports of 5 countries over 4 years (in Rs Crore) is given. Study the table carefully and answer the given questions. (I-import, E-export)

Year2017201820192020
CountryIEIEIEIE
P2530243228362232
Q2826263129372634
R2432282532362834
S2228182816212332
T2631163312232128

Find out the difference between the average export and average import for the country P.

The correct answer is

7.75

Analysis of Country P Exports and Imports

The question asks us to find the difference between the average export and average import for Country P over the given four years (2017, 2018, 2019, and 2020). To do this, we first need to find the total exports and total imports for Country P over these years and then calculate their respective averages.

Year 2017 2018 2019 2020
Country P (I) 30 32 36 32
Country P (E) 25 24 28 22
Exports (E) and Imports (I) for Country P (Rs Crore)

Calculating Average Trade for Country P

Step 1: Calculate Total Exports for Country P

The exports for Country P in the years 2017, 2018, 2019, and 2020 are 25, 24, 28, and 22 Rs Crore, respectively.

Total Exports for P = 25 + 24 + 28 + 22

Total Exports for P = \(99\) Rs Crore

Step 2: Calculate Average Exports for Country P

To find the average export, we divide the total exports by the number of years, which is 4.

Average Exports for P = \(\frac{\text{Total Exports}}{\text{Number of Years}}\)

Average Exports for P = \(\frac{99}{4}\)

Average Exports for P = \(24.75\) Rs Crore

Step 3: Calculate Total Imports for Country P

The imports for Country P in the years 2017, 2018, 2019, and 2020 are 30, 32, 36, and 32 Rs Crore, respectively.

Total Imports for P = 30 + 32 + 36 + 32

Total Imports for P = \(130\) Rs Crore

Step 4: Calculate Average Imports for Country P

To find the average import, we divide the total imports by the number of years, which is 4.

Average Imports for P = \(\frac{\text{Total Imports}}{\text{Number of Years}}\)

Average Imports for P = \(\frac{130}{4}\)

Average Imports for P = \(32.50\) Rs Crore

Step 5: Find the Difference Between Average Import and Average Export

The question asks for the difference between average export and average import. It is usually interpreted as the absolute difference or Import Average - Export Average if imports are typically higher. In this case, imports are higher than exports on average for Country P.

Difference = Average Imports for P - Average Exports for P

Difference = \(32.50 - 24.75\)

Difference = \(7.75\) Rs Crore

The difference between the average export and average import for Country P is 7.75 Rs Crore.

Revision Table: Key Concepts in Data Interpretation

Term Definition Calculation Example
Export Goods and services sold by a country to other countries. Sum of values of goods sold abroad.
Import Goods and services purchased by a country from other countries. Sum of values of goods bought from abroad.
Average A measure of central tendency; the sum of values divided by the number of values. \(\text{Average} = \frac{\text{Sum of values}}{\text{Number of values}}\)
Difference The result of subtracting one number from another. \(\text{Difference} = \text{Value 1} - \text{Value 2}\)
Understanding Data Interpretation Terms

Additional Information: Trade Balance

The difference between a country's total value of exports and total value of imports over a specific period is called the trade balance. It is calculated as Exports - Imports.

  • If Exports > Imports, the country has a trade surplus.
  • If Exports < Imports, the country has a trade deficit.
  • If Exports = Imports, the country has a balanced trade.

For Country P over these four years, the total exports were 99 and total imports were 130. This indicates a trade deficit (130 - 99 = 31) over this period. The calculation in the question focuses on the difference between the *average* values, not the total trade balance difference.

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Important Questions from Tabulation

  1. The table shows District-wise data of a number of primary school teachers posted in schools of a city.

    Study the table and answer the question:

    District

    Male teachers

    Female teachers

    East

    1650

    2375

    North

    1075

    2651

    West

    1280

    1520

    South

    1170

    1085

    Central

    690

    859


    What is the difference between the total number of male teachers in the districts East, North, West taken together and the total number of female teachers in the districts East and South?
  2. Table shows income (in Rs. ) received by 4 employees of a company during the month of December 2020 and all their income sources.

    Source

    Amit

    Suresh

    Nitin

    Varun

    Salary

    35000

    38500

    29000

    42000

    Arrears

    6000

    6300

    5000

    7500

    Bonus

    1000

    1100

    1000

    1240

    Overtime

    1800

    1950

    1400

    1500


    What is the ratio of salary of Varun to his income other than salary?
  3. Study the table and answer the question:

    Income (Rs.)

    No. of persons

    Less than 200

    12

    Less than 250

    26

    Less than 300

    34

    Less than 350

    40

    Less than 400

    50


    What is the percentage of persons earning Rs. 250 or more?
  4. The following table shows the annual profit of a company (in Rs. lakh).

    2014-2015

    2015-2016

    2016-0217

    2017-2018

    2018-2019

    625

    690

    725

    775

    815

    The period which has the maximum percentage increase in profit over the previous year is:

  5. The table given below shows the number of persons participating in a survey from 6 different states.

    States Persons 
    S1100
    S2200 
    S3400 
    S4500 
    S5600 
    S6800

    What is the ratio of number of person participating in a survey from state S3 to the number of person participating in a survey from state S4?

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