132842

2 D 12089

13. Explain the concept of Co-efficient of Variation.
14. Distinguish between Univariate and Bivariate analysis.
15. Find the standard deviation of the set 3, 6, 2, 1, 7, 5.
(10 x 3 = 30 marks)
Section B (Short Essay Questions)

Answer at least five questions.

Each question carries 6 marks.

All questions can be attended.
Overall Ceiling 30.

16. Given log 2=x, log 3= y, log 5=z. Express the following of x, y and z. (i) log 12 (ii) log (0.0675).

17. Write a short note on Measures of Central Tendency.
18. Briefly explain the inverse of the matrix and its properties.

19. Evaluate the following determinants :

(a) ;and (b)

௦
oo Ff
‏دن هم دن‎
ಉ ರಾ ४»
no Oo ©
ww ‏د‎

20. Briefly explain the different methods used for graphical representation of data.

21. The following table gives the heights of students in a class. Find out the Quartile Deviation :

Height (In inches) No. of Students

132842