Download OU (Osmania University)B.Sc (Bachelor of Science Maths, Electronics, Statistics, Computer Science, Biochemistry, Chemistry & Biotechnology) 2018 May-June 1st Year 2nd Semester 7036 Statistics Previous Question Paper
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De?ne Bela distribution of ?rst kind and ?nmrgs n.
De?ne Cauchy distribution. Give its appllc?aQS? .
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f f J Dune Binomial dis en've its mean and mode.
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(5)3113: B: & B; fct?XJgol son distribution. Also comment on its skewness and
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?9 (3) Define Mergeomelric distribution. Derive its mean and vanance
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(b) Poisson distribution as a limiting case of negative Binomsal dlstnbubon.
" (3) ' standard devnalion. mean deviation about mean and cumin": demauon
for normal distribution
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(0) Show that normal dlSlflbUllon IS a lnmntmg case of Bunomual GlSU?TbUhOn
12 (0) De?ne Gamma dawubuuon Obtain?uts moment generaung function and hence
?nd its mean and vanance
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(b) Dorm moment generalmg (unchon o! ExponenluaI dustnbubon Show that \he
sun 0! exponential random variables :3 a gamma random vanable
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