BSc CSIT (TU) Science Statistics II (BSc CSIT, STA210) Question Paper 2075
This is the official BSc CSIT (TU) (Science stream) Statistics II (BSc CSIT, STA210) question paper for 2075, as set in the regular annual examination. It carries 60 full marks and a time allowance of 180 minutes, across 12 questions. On Kekkei you can attempt this Statistics II (BSc CSIT, STA210) past paper online with a timer, get instant AI feedback and step-by-step solutions, and track the topics where you lose marks — completely free. Whether you are revising for your BSc CSIT (TU) Statistics II (BSc CSIT, STA210) exam or solving previous years' question papers, this 2075 paper is a great way to practise under real exam conditions.
Section A: Long Answer Questions
Attempt any TWO questions.
What is hypothesis testing? Explain the procedure of testing of hypothesis including null and alternative hypotheses, level of significance, types of errors and the critical region.
Define correlation and regression. Explain the method of fitting two regression lines and the relationship between correlation coefficient and regression coefficients.
What is sampling? Explain different methods of probability and non-probability sampling with their merits and demerits.
Section B: Short Answer Questions
Attempt any EIGHT questions.
Define mathematical expectation. State and prove its properties.
Explain the t-test for testing the significance of the difference between two sample means.
Explain the z-test for a large sample test of a single mean with an example.
Define Karl Pearson's coefficient of correlation and state its properties.
What are regression coefficients? State their properties.
Explain the concept of sampling distribution and standard error.
Explain how to construct a confidence interval for a population mean.
Explain the F-test for the equality of two population variances.
Define index numbers and explain Laspeyres' and Paasche's price index methods.