Description

KRISHNA KANTA HANDIQUI STATE OPEN UNIVERSITY
Surya Kumar Bhuyan School of Social Sciences
Home Assignment, Master of Arts (Economics)
Statistical Methods
4th 2025

[Assignments are required to be written in your own language. Copying in toto from the learning materials will carry less score

Last Date of Submission: 25/09/2025
A. Answer the following questions (Answer within 3 0 0 words). 10×5 =50
(1) Explain weighted average. Distinguish between a simple average and a weighted average. 5+5=10
(2) Distinguish between causation and correlation with appropriate examples. Coefficients of variation of two sets of observations are 58 and 69. Their standard deviations are 21.2 and 15.6 respectively. Find their arithmetic means. 4 +6 =10
(3) Mention the various measures of dispersion. The following distribution is the distribution of ages of 100 students selected at random from a college consisting of 3500 students.
Find the standard distribution for this distribution.
Age 16-17 17-18 18-19 19-20 20-21 21-22
No of Students 4 14 18 28 20 4
(4) Describe Pareto’s law of income distribution and its empirical validity
(5) Explain the properties of the binomial distribution and also obtain its mean and variance.