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Recording Data

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notes

Recording Data:

  • The recording of data depends upon the requirement of the data.
  • Everybody records data differently.
  • If we have to compare the temperature of different cities then we have to collect the data of the survey which tells the maximum and minimum temperatures of different cities.
  • Temperatures of cities as on 20.6.2006
    City Max. Min.
    Ahmedabad 38°C 29°C
    Amritsar 37°C 26°C
    Bangalore 28°C 21°C
    Chennai 36°C 27°C
    Delhi 38°C 28°C
    Jaipur 39°C 29°C
    Jammu 41°C 26°C
    Mumbai 32°C 27°C

The data about the temperatures of cities can tell us many things, For example, you can say that the highest maximum temperature was in Jammu on 20.06.2006 but it cannot tell us the city which had the highest maximum temperature during the year. To find that, we need to collect data regarding the highest maximum temperature reached in each of these cities during the year. In that case, the temperature chart of one particular date of the year, as given in the table will not be sufficient. This shows that a given collection of data may not give us specific information related to that data.

For this, we need to collect data keeping in mind that specific information. In the above case, the specific information needed by us was about the highest maximum temperature of the cities during the year, which we could not get from the Table.

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