Statistics · 2022

CSS 2022 Statistics Paper II

6 questions from this paper.

  1. Q1
    What is a Sampling Distribution? Explain the concept of Standard Error. Describe the sampling distribution of the difference between two sample means.
    Past paper Sampling Distribution 20 marks
  2. Q2
    Explain the Method of Maximum Likelihood for estimation. Find the MLE of the parameter 'p' of a Binomial distribution.
    Past paper Maximum Likelihood 20 marks
  3. Q3
    A sample of 100 items has a mean of 60 and SD of 10. Test the hypothesis that the population mean is 62 at a 5% level of significance.
    Past paper Z-Test 20 marks
  4. Q4
    Explain the basic principles of Experimental Design: Replication, Randomization, and Local Control.
    Past paper Design of Experiments 20 marks
  5. Q5
    What is Multiple Linear Regression? Explain the significance of the partial regression coefficients and the coefficient of multiple determination (R-squared).
    Past paper Multiple Regression 20 marks
  6. Q6
    What are the components of a Time Series? Describe the method of Semi-Averages for measuring secular trends.
    Past paper Time Series 20 marks

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