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Download SGBAU BSc 2019 Summer 4th Sem Statistics Question Paper

Download SGBAU (Sant Gadge Baba Amravati university) BSc 2019 Summer (Bachelor of Science) 4th Sem Statistics Previous Question Paper

This post was last modified on 10 February 2020

SGBAU BSc Last 10 Years 2010-2020 Question Papers || Sant Gadge Baba Amravati university


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Time : Three Hours] [Maximum Marks : 80

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B.Sc. Part-I1 Semester—-IY Examination

STATISTICS

Note :— ALL questions are compulsory.

  1. (A) Fill in the blanks : 2
    1. F-statistic was discovered by .
    2. The arrangement of data in accordance of occurrence of time is _ .
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    4. Price elasticity of demand is always
    5. In large sample test statistic is used to test the hypothesis.
  2. (B) Choose the correct alternative : 2
    1. The range of F-variate is .
      1. —o to »
      2. 0tow
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      4. —octo0
      5. 0to1
    2. The general tendency of data to increase or decrease over long period of time is
      1. Cyclic variation
      2. Seasonal variation
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      4. Random fluctuation
      5. Trend
    3. The sign test is based on the theory of distribution.
      1. Normal
      2. Geometric
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      4. Binomial
      5. Exponential
    4. _ testis used to test equality of population variances.
      1. F
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      3. ¥*
      4. z
  3. (C) Answer in one sentence : 4
    1. What is cyclic variation ?
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    3. What is large sample test ?
    4. What do you mean by luxuries ?
    5. What do you mean by index number ?
  1. (A) Obtain the p.d.f. of student's t distribution. -+
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  3. (B) Establish the relationship between t and F distributions. 4
  4. (C) Explain F-test for testing equality of population variances. 4

OR

  1. (P) Obtain p.d.f. of Snedecor's F distribution. 4
  2. (Q) Establish the relationship between F and 2. 4
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  4. (R) Explain t test for single mean. 4
  1. (A) Explain the concept of bivariate normal distribution. 4
  2. (B) State the applications of central limit theorem. 4
  3. (C) Explain large sample test for difference of proportions. 4

OR

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  1. (Q) Discuss large sample test lor difference of means.
  2. (R) Explain large sample test for single sample proportion. 4
  1. (A) Explain the concent of non-parametric tests. State the assumption of Non—parametric_ methods. O
  2. (B) Discuss Run test. Obtair the distribution of number of odd and even runs. 6

OR

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  1. (P) Explain order statistic with the help of example. State the advantages and disadvantages of non-parametric method 6
  2. (Q) Discuss Kolmogorov Smimov Two sample test. 6
  1. (A) Deine :
    1. Marshall Edgeworth price index number 4
    2. Dorbish-Bowley's price index number.
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  3. (B) Show that Fisher's index number lies between Laspeyre's and Paasche's index numbers. 4
  4. (C) Exglain cost of living index number state its uses. 4

OR

  1. (P) Define :
    1. Paasche's index number
    2. Fisher's index number. 4
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  2. (Q) Show that Fisher's index number satisiies time reversal test. 4
  3. (R) Explain family budget method of obtaining cost of living index number. 4
  1. (A) Define Trend and explain moving average method for measurzment of trend. 6
  2. (B) Wha: do you mean by de-seasonalization of data ? Discuss simple average method for scasonal variations. 6
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OR

  1. (P) Define time series. Describe mathematical models in time seriss. 6
  2. (Q) Explain Ratio te trend method of obtaining seasonal indices. 6
  1. (A) Definz :
    1. Complementary goods
    2. Equilibrium price 4
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  2. (B) Discuss Pareto's law oi income distribution. 4
  3. (C) Describe the term price elastcity of demand. 4

OR

  1. (P) Define :
    1. Necessities and luxuries
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    3. Income elasticity. 4
  2. (Q) Explain law of demand and supply 4
  3. (R) Discuss cross elasticities of demand. 4

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