Name :
ID:
Understanding ValuationFahad Inc. has been listed in the DSE over the last 50 years. Over the past few years, it has shown
appreciable growth. Last year itself, it had earnings worth Tk. 50 million. The company retained Tk. 30
million and think

Correlation & Regression
1. After investigation it has been found the demand for automobiles in a town depends mainly, if
not entirely, upon the number of families residing in that town. Below are given figures for the
sales of automobiles in the four cit

Eco 202: Statistics for Business and Economics
Assignment 1
Marks: 20
Submission Date and Time: 13 June (Monday) within class time
1. All the 45 students in advance statistics course are considered the population. Their course
scores out of 100 are here.

Eco 202: Statistics for Business and Economics
Assignment 2
Marks: 10*3 = 30
Submission Date and Time: 18 July 2016, Monday in the class
1. Several drugs are used to treat diabetes. A sales specialist for a leading pharmaceutical
company needs an estimate

1. Scores on an examination taken by a very large group of students are normally distributes with
mean 700 and standard deviation 120.
i) An A is awarded for a score higher than 820. What proportion of students obtains an A?
ii) A B is awarded for scores

Eco 201: Mathematics for Business and Economics
Assignment 1
Marks: 20
st
Submission Date and Time: 31 May 2016, Tuesday within the class time
1. Demand and Supply functions for two commodities are given below:
Qd1 = 410 5p1 2p2
Qs1 = 60 + 3p1
10
Qd2 = 29

SUMMER 2011, BRAC UNIVERSITY, ESS
ECO 201: Practice Problems for Final Exam
1. Show that any identity matrix is symmetric and idempotent.
2. Given the two matrices:
10 4
A=
8
and
B=
5
3
5
0 1
Show that (AB)T = B T AT .
3. Given the two matrices:
3 2
A=
an