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to magnitude is called

10. Define individual series.
11. Give the meaning of variable.

Short answer type question: (3 to 4 marks each)

12. Define classification of data. State the characteristics of good classification.
13. Distinguish between simple classification and manifold classification with
example.

14. State the different types of frequency distribution.
15. In an examination,25 students have the following marks.Prepare a frequency
distribution table taking 10-20,20-30…so as class.

28 23 32 43 40
19 51 50 38 30
58 61 62 65 36

29 45 60 26 35
43 49 37 36 65

16. Prepare a discrete series from the following raw data.

15 16 16 17 18 18 17 15 15 16 16 16 17 15 16 15 16 16 15 19

17. The data of daily wages given in the following example. Prepare an

individual series in ascending and descending order.
40 45 35 33 25 30 32 42 48 49

18. The total expenditure on food per month of 20 households is as follows-

115 159 196 200 212 223 256 271 210 129
169 184 234 245 241 265 298 144 135 173
Prepare a frequency distribution by taking class interval s 100-150,150-

200…and give the % of those families who spend more than 150 and those
who spend less than 250.
19. Write short notes on the following by giving example.
(a) Individual series