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Important Questions

Important Questions

Introduction

Asked in 2080.1Long Question10 Marks
1.
Define statistics and discuss its importance in the field of computational sciences. The following are the numbers of minutes that a person had to wait for the bus to work on 20 working days: 15, 10, 2, 17, 5, 8, 3, 10, 2, 9, 5, 9, 13, 1, 10, 12, 5, 10, 8, 4. Compute mean, median, mode, standard, variance and coefficient of variation. [10]
Asked in 2080Short Question5 Marks
2.
Differentiate between primary data and secondary data. What are the sources of secondary data? [5]
Asked in 2078Short Question5 Marks
3.
State with suitable examples the role played by computer technology in applied statistics and the role of statistics in information technology. [5]
Asked in 2075Short Question5 Marks
4.
Define primary data and secondary data and explain the difference between them. [5]