Question

Step 4: Using the tally marks distribute the observations of the data into respective class
164 Mathematics VIII
Step 3: Write inclusive class intervals starting from minimum value of observations.
i.e 0-7.8-15 and so on...
Exar
intervals.
Step 5: Count the tally marks and write the frequencies in the table.
Now construct grouped frequency distribution table for exclusive classes.
SO
Think, Discuss and Write
SI
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S
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Make a frequency distribution of the following series. 1,2,2,3,3,3,3,3, 4,4,4,4,
4,4,4,4,4, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 7, 7.
Construct a frequency distribution for the following series of numbers.
2,3,4,6,7,8,9,9, 11, 12, 12, 13, 13, 13, 14, 14, 14, 15, 16, 17, 18, 18, 19, 20, 20,
21, 22, 24, 24, 25. (Hint: Use inclusive classes)
What are the differences between the above two frequency distribution tables?
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Answer 1

Answer:

Data independence is the type of data transparency that matters for a centralized DBMS. It refers to the immunity of user applications to changes made in the definition and organization of data. ... There are two types of data independence: physical and logical data independence.