itnp3ulxomwww.rejinpaul.comwv^^^fy^|[^Kg
14. (a) (i) What are the merita of Nonparametric methods over parametric .
methods? (8) '*’«
(ii) Explain the Sign test for comparing paired samples with
Or
Facebook usage Protests on public issues
Participated Not participated Regular visitor 200 200
•400 600
(ww.rejinpaul.comww
200 _ - 400
Rare visitor
vf/ww.rejmpauLcomwww.reImpaui.c
. Non member
15. (a) A financial manager speculates about the relationship between family
incomes and their allocation for investment. The following table presents the results of a survey of 8 randomly selected families :
Annual disposable income (in ’000 Rs.): 8 12 9 24 13 37 10 16
Per cent allocation for investment: 36 25 33 15 28 19 20 22
(i)
(ii)
Develop a regression eąuation that best describes this data.’ Calculate Karl Pearson correlation coefficient.
w^ejinpaul.comwww.rejinpaul.comwww.ie
Explain the method of least sąuare in curve fitting. Find Fishers index number from the following data.
Commodity
Year 2012
Year2013
v i/wwśrejfn pa u I .coi
Price Rs. Quantity kg Price Rs.
* comwww.rejinpai"
Wheat
Oil
Fruit
50
30
100
50
60 12
40
200
Quantity kg
iinpj
:omwww.
\ /wyv.rejinpaul.comv
10 50 20
comwww.rejinpaul.comwww.rejinpaul.comwwyv.it*
v iww.rejinpaul.corhwww.rejinpaul.comwww.rejinpaul.comwww.rejinpaul.comwww.ie
www. tej i npaul.comwww.reiinpaul.comwww.rejinpaul.comwww .rej i n paul.comwww. r e