Statistics · 2023

CSS 2023 Statistics Paper II

7 questions from this paper.

  1. Q1
    Differentiate between Probability and Non-probability sampling. Explain Stratified Random Sampling and compare it with Simple Random Sampling.
    Past paper Sampling Techniques 20 marks
  2. Q2
    Define Point Estimation and Interval Estimation. What are the criteria for a 'Good Estimator'? Discuss Unbiasedness and Consistency.
    Past paper Statistical Inference 20 marks
  3. Q3
    Explain the logic of Hypothesis Testing. Define Type I and Type II errors, Level of Significance, and Power of a Test.
    Past paper Hypothesis Testing 20 marks
  4. Q4
    Discuss the t-test for testing the difference between two means for small samples. State the assumptions required for the validity of the t-test.
    Past paper Testing Means 20 marks
  5. Q5
    What is ANOVA? Carry out a one-way Analysis of Variance for a given set of data and explain the F-test used in the analysis.
    Past paper Analysis of Variance 20 marks
  6. Q6
    Distinguish between Parametric and Non-Parametric tests. Explain the Chi-Square test for Independence of Attributes.
    Past paper Non-Parametric Tests 20 marks
  7. Q7
    Define Vital Statistics. Explain Crude Death Rate (CDR), Specific Death Rate (SDR), and the uses of Life Tables.
    Past paper Vital Statistics 20 marks

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