Download OU B.Sc 2019 June-July 4th Semester 3123 Statistics Question Paper

Download OU (Osmania University) BSc (Bachelor of Science - Maths, Electronics, Statistics, Computer Science, Biochemistry, Chemistry & Biotechnology) 2019 June-July 2nd Year 2nd Semester (4th Semester) (2-2) 3123 Statistics Previous Question Paper

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, Code No. 3123
FACULTY F SCIENCE
B. Sc. IV-Semester(CBC'JiExamInatIon ,Mayl June 2019
Subjeet E tatisticS
m5
Pa e'r?? Iv-I nce (DSC) - o
., .' _ Tlme : 3 Hours p iht?re Max. Marks- 8
PART- A (5 x -4= 20 Marks)
(Short Ana'wer Type)
' Note: Answer any FIVE of the following questions.
Define Null and Alternative HypothesiS? ' I L
Explain Most powerful Test. A
Explain Yate's correction for continLIity?i -7
?t\
V,
Write the assumptions of t-test.
1
2
3
4 Define order Statistic.
5
6
7 Define Run and Length of Run.
8
r, I 7,; I I PARq?Bmx ?5': 6'0 Marks)
' - 4~ Essa?y AnswerType)
Note: ?Anmyer ALL from the questions.
??1:
9(8) State and prova Pleymann -Pearson Lemma Explain its importance in testing the
hypothesis. I.)
0R v
(b) Obtain2 Most p6werful critical region for?:
Naggz p)opulation.
0(3) (:5 ExpiaIn the large sample procedure;
?I standard deviations
(ii) in a random sample of 500, the mean is found to be? 20 in another
independent sample of 400, the mean is 15. Could the samples have been
drawn from the same population with \z 4 - -
0R -' " '
(b) m Exp'?am Ftsher? 5 Z transformation. E I ? its applications.
, (ii) Describe the large sampte test proc. for equality of Mo pfOpomons
\ 11 (a) 0) Describe chi- -square test for testint 885 Of ?t
(ii) Derive the chi- -square test for 2x2 J 1
co
(b) (i) Explain the small 5 0R
variances ample test Droce
testing the equality of?poputa?eh' - -
0") Explain t-test of signi?cance 01's: I _ -_ ' > _ , ' .
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12 (a) (1) Explain Wald wmit?z'mn ?9
dist?hution'fhnc?bn's.
0i) To determine- the peroen
two different temperatures
temperature. The resuning d3
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tsh
i Shrinka e
1- Low tern stature -1
1 Hi [1 rem t-ature 4-2
Use an appro
a synthetic ?ber were made at tw
(b) (i) Explain
(ii) Explain Mann?Whitney U-test
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gegting the equality of two p0
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Parametric tests Vs N
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rent temperature are ggu
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