Download OU B.Sc 2018 Dec 2nd Year Statistics Statistical Methods Question Paper

Download OU (Osmania University) BSc (Bachelor of Science - Maths, Electronics, Statistics, Computer Science, Biochemistry, Chemistry & Biotechnology) 2nd Year 1st Semester (Third Semester) (2-1) Statistics Statistical Methods Previous Question Paper

AcuLTY OF SCIENCE
aminatlon, November! December 2018
B.Sc. III-Semester (6805) Ex
SUDIW? Slatlstlcs
paper - III : Stat's?cal Methods (DSC)
Max. Marks: 30
Time : 3 Hours PART ? A (5 X_ 4 ' 20 Marks)
(5Wt W" Type) ?
Note : Answer any FIVE?! m0 following questions. '
State the principle of least squareS-
De?ne Correlation Ratio and its nece ,
Wnte short notes on independence 0_ , ,
study. ' Qb?
De?ne multiple correlation and write' ' t t,
to of compnbish.
De?ne Standard error. Write the Stem ? " for 3 [9 m an and variances.
5/ Wnte about Point estimation 3?3?? ' . .of chi are distribution. /
7 State Neymann Pearson Factorizatio
8 Explain the concept of Mean Square =
PART-B ( "5?
(Essay ,v 3, ,
Note: Anew 4
_ / (a) De?ne Karl Pearson Coef? 't ?9?, N, e r ';t?proveits?f6pem??" "
t ? l ' ?1 -
-~"" - ; ,}.e??33??"?fY?"X'
. t
5? of Data ~f0r aetngle attribute A, for two
, ?isr
(b) De?ne Regression -
10 (a) State the conditi ~ ,
attributes A and = - .butes A, Band C.
_ OR _ -. . . t
(b) Fmd th remal?mq ?1:5." 7 . r ? ng information.
,(uBY) = 620 (ABC)=86.
. Wasi-x?applications.
' -..
lg.
Mplain the charm 9? .
l. .?
}(3) Write the method of m -
size n drawn from POI".__
using method of mom A . ' 21
m_
ion. Let X1, X2....Xn be a random samp\e of
. ?f n with parameter x.,.g??ma1te the parameter 1
e parameter p bagel on the sample of size n
. W
(/brObtam the con?dence ?22)6?73 ? [own by pivot;
drawn from Normal (u. ? --.-,
? it!!!