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Download SGBAU BSc 2019 Summer 3rd Sem Statistics Question Paper

Download SGBAU (Sant Gadge Baba Amravati university) BSc 2019 Summer (Bachelor of Science) 3rd Sem Statistics Previous Question Paper

This post was last modified on 10 February 2020

This download link is referred from the post: GTU MBA Last 10 Years 2010-2020 Question Papers || Gujarat Technological University


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B.Sc. Part-II (Semester-1II) Examination

3S : STATISTICS

Time : Three Hours] [Maximum Marks : 80

Note :— ALL questions are compulsory.

  1. (A) Fill in the blanks : 2
    1. Testing of hypothesis is a decision problem.
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    3. In r x s contingency table, d.f. is _
    4. A method of “sample study™ relating to population is known as
    5. The study of birth, death, migration etc. is called
    (B) Choose the correct alternative : 2
    1. “Testing of hypothesis™ was initiated by :
      1. Karl Pearson
      2. R.A. Fisher
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      4. J. Neyman
      5. C.R. Rao
    2. Chi-square test is also called as :
      1. Normal test
      2. Parametric test
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      4. Non-parametric test
      5. Two tailed test
    3. Generally census in every country is conducted after years.
      1. Three
      2. Five
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      4. Ten
      5. Fifteen
    4. In life table terminology q_ : -
      1. £x+1 / ix
      2. £x+1 - £x
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      4. £x+1 / &%
      5. i / £x
    (C) Answer in ONE sentence each : 4
    1. What is meant by vital event ?
    2. Define parameters of population.
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    4. Who proposed the chi-square test for testing the goodness of fit ?
    5. What is Tx, in life table terminology ?
  2. (A) Explain in brief present statistical system in India. 4 (B) State the important publications of banking and finance. 4 (C) Describe De facto method of census with its advantages and disadvantages. 4

    OR

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  4. (Q) Explain the functions of CSO. 4 (R) Name the publication of agricultural statistics. 4
  5. (A) Define vital statistics. Explain registration method of obtaining vital statistics with its demerits. 6 (B) What do you mean by standardization ? Explain indirect method of standardization of death with merits and demerits. 6

    OR

  6. (P) What are various measures of mortality ? Explain CDR with its merits and demerits. 6 (Q) Explain specific death rates and define age SDR with its merits and demerits. 6
  7. (A) What are the assumptions in the construction of life table ? Give the uses of life table. 6 (B) What are different measures of fertility ? Explain age SFR with its merits. 6

    OR

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  8. (P) Prove that, in life table terminology : 6
    1. G nP =P P -F x+ x+2 x
    2. N Zlx-n. o \ n=|
    (Q) Explain N.R.R. in detail. Why N.R.R. is called as rate of replenishment of population ? 6
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  10. (A) What do you mean by estimation ? Give the requisites of good estimator. 4 (B) Describe unbiased estimator with example. 4 (C) Distinguish between point estimation and interval estimation of a parameter. 4

    OR

  11. (P) Explain simple and composite hypothesis with example. 4 (Q) Explain Type-I and Type-II error. 4 (R) Explain steps involved in testing of hypothesis. 4
  12. (A) Explain the concept of random sample. 4 (B) Obtain sampling distribution of sum of Binomial variate. 4 (C) Describe the steps for drawing a random sample from normal distribution. 4

    OR

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  14. (Q) Obtain sampling distribution of sum of Poisson variate. 4 (R) Give the procedure of drawing a random sample from Binomial distribution. 4
  15. (A) Define chi-square variate with ‘n’ degrees of freedom and obtain its m.g.f. 4 (B) State and prove additive property of chi-square variate. 4 (C) Explain Yate’s correction factor in 2 = 2 contingency table and give corrected chi-square. 4

    OR

  16. (P) State the conditions for validity of chi-square test. (Q) Explain chi-square test for testing goodness of fit. 4 (R) In 2 x 2 contingency table ‘ a b | | c d show that : (a+b)(c+d)(a+c)(b+d)

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This download link is referred from the post: GTU MBA Last 10 Years 2010-2020 Question Papers || Gujarat Technological University

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