Download OU B.Sc 2018 May-June 2nd Year 2nd Semester 7116 Statistics Question Paper

Download OU (Osmania University)B.Sc (Bachelor of Science Maths, Electronics, Statistics, Computer Science, Biochemistry, Chemistry & Biotechnology) 2018 May-June 2nd Year 2nd Semester 7116 Statistics Previous Question Paper

C
FACULTY OF SC'ENCE ode No. 7116
Semester (CBCS) Examlnatlon
Subject: Statls?cs
Paper ? IV
Time; 3 Hours Inference
- May I June 2018
PART - A (5x4 = 20 Marks) MaXMarks: 80
Short Answer Type]
Note: Answer any five of the following questions
Explain two types of error in testfn
g of hypothesis.
Explain about non-randomized test. .
Describe the large sample test procedure for differenceo s n
deviations.
Explain Fasher?s Z-transformation for population corral
f?cient
Explain the 12 (Chi-square) test for goodness of Fit,
Explain about F-test for equality of popula 'on 'ances.
Discuss advantages and disadvantagm rametric tests.
1
?2
3
4
5
6
7
8 Describe nominal. ordinal, interval an ales.
P- -Lh'1.54?_1 = Marks)
~ar9"0btai?6d- Find the probability of Type | Error and 90W? 9? "?9
?
t" : v naanf difference of proportionsforlargesampleg
?tonigmgawerarecorded in two varieties of a pulse crop.
. f sans. are signi?cantly different. 1
An Mean Variance
.50 60 8.20
'65. 65 11.134
r?
7,? ' U?ons- ;?:?;' .
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Code No. 7116
-2-
11 a) Dgscribe the zz-test for independence of attributes and 1? -test for speci?ed
vanance. ?
OR
b) Explain:
i) t ? test for difference of means
u) t ? test for speci?ed mean.
12 a") i) Explain the Median Test procedure?
f3, .1 ii) Describe test procedure for Wilcox6n-Mann-Whitney U :Q
OR
Sf; -V .. h) j) Explain Wilcoxon ? Sign?d Rank Test for paired s
, 535737) Describethetest procedure for sign test. ,\
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? I