2622477074

2622477074



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14.    (a)    (i) What are the merita of Nonparametric methods over parametric .

methods?    (8) '*’«

(ii) Explain the Sign test for comparing paired samples with

appropriate examples.    (8)    '

Or

(b) Test whether the association of Facebook usage and Interest on Protests ' on public issues is significant or spurious from a study conducted from 2000 members randomly selected from an area. .    (16)

Facebook usage Protests on public issues

Participated Not participated Regular visitor    200    200

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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.


(10)

(6)


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Explain the method of least sąuare in curve fitting. Find Fishers index number from the following data.


(6)

(10)


Commodity

Year 2012

Year2013

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Rice


Price Rs. Quantity kg Price Rs.

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Wheat

Oil

Fruit


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30

100

50


60 12


40

200


Quantity kg

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