## Introduction to Data Interpretation

#### Data Interpretation

Direction: Study the following bar diagram carefully and answer the following questions.

1. The ratio of production of TVs in the years 2009 and 2010 is

1. On the basis of given graph in question ,
Number of production of TVs in the year 2009 = 6000
Number of production of TVs in the year 2010 = 9000
Required ratio = Number of production of TVs in the year 2009 : Number of production of TVs in the year 2010

##### Correct Option: C

On the basis of given graph in question ,
Number of production of TVs in the year 2009 = 6000
Number of production of TVs in the year 2010 = 9000
Required ratio = Number of production of TVs in the year 2009 : Number of production of TVs in the year 2010
Hence , Required ratio = 6000 : 9000 = 2 : 3

1. The difference between averages of production of TVs and LCDs from 2009 to 2012 is

1. From the given bar diagram , we see
Total production of T.V. from 2009 to 2012 = 6000 + 9000 + 13000 + 11000 = 39000
Number of given years = 4

 Average production of T.V. from 2009 to 2012 = Total production of T.V. from 2009 to 2012 Number of given years

 Average production of T.V. from 2009 to 2012 = 39000 = 9750 4

Total production of L.C.D from 2009 to 2012 = 7000 + 9400 + 9000 + 10000 = 35400
Number of given years = 4
 Average production of LCD from 2009 to 2012 = Total production of L.C.D from 2009 to 2012 Number of given years

##### Correct Option: D

From the given bar diagram , we see
Total production of T.V. from 2009 to 2012 = 6000 + 9000 + 13000 + 11000 = 39000
Number of given years = 4

 Average production of T.V. from 2009 to 2012 = Total production of T.V. from 2009 to 2012 Number of given years

 Average production of T.V. from 2009 to 2012 = 39000 = 9750 4

Total production of L.C.D from 2009 to 2012 = 7000 + 9400 + 9000 + 10000 = 35400
Number of given years = 4
 Average production of LCD from 2009 to 2012 = Total production of L.C.D from 2009 to 2012 Number of given years

 Average production of LCD from 2009 to 2012 = 35400 = 8850 4

Required difference = Average production of TV from 2009 to 2012 - Average production of LCD from 2009 to 2012
∴ Required difference = 9750 – 8850 = 900

1. The ratio of production of LCDs in the year 2011 and 2013 is

1. On the basis of given graph in question ,
Number of production of LCDs in the year 2011 = 9000
Number of production of LCDs in the year 2013 = 12000
Required Ratio = Number of production of LCDs in the year 2011 : Number of production of LCDs in the year 2013

##### Correct Option: A

On the basis of given graph in question ,
Number of production of LCDs in the year 2011 = 9000
Number of production of LCDs in the year 2013 = 12000
Required Ratio = Number of production of LCDs in the year 2011 : Number of production of LCDs in the year 2013
∴ Required Ratio = 9000 : 12000 = 3 : 4

1. The total number of products of electronic items is maximum in the year

1. According to given bar graph , we have
Total production of electronic items in year 2009 ⇒ 6000 + 7000 = 13000
Total production of electronic items in year 2010 ⇒ 9000 + 9400 = 18400
Total production of electronic items in year 2011 ⇒ 13000 + 9000 = 22000
Total production of electronic items in year 2012 ⇒ 11000 + 10000 = 21000
Total production of electronic items in year 2013 ⇒ 8000 + 12000 = 20000

##### Correct Option: C

According to given bar graph , we have
Total production of electronic items in year 2009 ⇒ 6000 + 7000 = 13000
Total production of electronic items in year 2010 ⇒ 9000 + 9400 = 18400
Total production of electronic items in year 2011 ⇒ 13000 + 9000 = 22000
Total production of electronic items in year 2012 ⇒ 11000 + 10000 = 21000
Total production of electronic items in year 2013 ⇒ 8000 + 12000 = 20000
Hence , The total number of products of electronic items is maximum in the year 2011 .

Direction: Study the bar diagram and answer the questions.

1. The approximate percentage increase in quantity from 1997 to 1998 was

1. From the given bar diagram , we see
Quantity of sugar bags in 1997 = 130 lakhs
Quantity of sugar bags in 1998 = 150 lakhs
Increase in quantity = 150 - 130 = 20 lakhs

 Percentage increase = Increase in quantity × 100 Quantity of sugar bags in 1997

 Percentage increase = 20 × 100 130

##### Correct Option: E

From the given bar diagram , we see
Quantity of sugar bags in 1997 = 130 lakhs
Quantity of sugar bags in 1998 = 150 lakhs
Increase in quantity = 150 - 130 = 20 lakhs

 Percentage increase = Increase in quantity × 100 Quantity of sugar bags in 1997

 Percentage increase = 20 × 100 130

 Percentage increase = 200 ≈ 15.4% 13