What are the main steps involved in data classification?
Data classification involves:
(i) Classifying the data on the basis of time, region, quality, magnitude etc.
(ii) Tabulating the data in the torm of tables without loosing their accuracy.
(iii) Processing of the data using suitable statistical techniques.
What do you mean by primary sources of data?
Enumerate five sources of secondary data.
Discuss the national and international agencies where from secondary data may be collected.
What is the importance of an index number? Taking an example examine the process of calculating an index number and show the changes.
In a class of 35 students of geography following marks were obtained out of a 10 mark unit text - 1, 0, 2, 3, 4, 5, 6, 7, 2, 3, 4, 0, 2, 5, 8, 4, 5, 3, 6, 3, 2, 7, 6, 5, 4, 3, 7, 8, 9, 7, 9, 4, 5, 4, 3. Represent the data in the form of a group frequency distribution.
Collect the last test result of Geography of your class and represent the marks in the form of a group frequency distribution.
What do you mean by data? Describe the different sources of collecting data.
What is meant by tabulation of data?
Describe the main steps of Data Analysis.
What are the main steps involved in data classification?
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