techniques, Applied Statistics

Q. 1 a) Describe the important quantitative techniques used in public system management. (10)
b) Do you think the day will come when all decisions are made with the assistance of quantitative methods? Give appropriate reasons and examples in support of your answer. (10)

Q. 2 a) Solve using Gauss-Jordan elimination (10)
2x1 + 4x2 -10x3 = -2
3x1 +9x2 - 21X3 = 0
x1 + 5x2 -12x3 = 1
b) Solve the following system equation by Cramer’s rule (10)
X1 + X2 = -1
2X1 - X2 = 7

Q. 3 a) Discuss basic concepts of a matrix and the methods of representing large quantities of data in matrix form. How can we apply matrix algebra in various decision models in business and management? (20)
b) In an economy there are two sectors A and B, the following table gives the supply and demand position of these in million rupees;

Producer Consumer Final Demand Gross Output
A 15 10 10 35
B 20 30 15 65

Determine the total output, if the demand changes to 12 for A and 18 for B.
Q. 4 The following data pertain to the demand for a product in thousand of units and price charged I in rupees in eight different locations. (20)
14 150
12 180
15 112
13 140
18 86
15 124
9 223

a) Obtain the line of best fit.
b) Determine the coefficient of correlation
c) Interpret your results
d) Predict the demand if the price is Rs.10.

Q. 5 What are the best sources of data collection for the following? (20)
a) A bank loan officer wishes to forecast the economy of the country in which the bank operates.
b) A research project has the purpose of identifying the labor issues of concern to a union.
c) A manager must determine the best site for a convenience store in an urban area.
d) Median weekly earnings of full-time salaried workers for the range 1995-2000.
e) Annual sales of the top ten fast-food companies.
f) Number of airplane trips made by college students.
Posted Date: 8/26/2012 1:18:30 AM | Location : United States

Related Discussions:- techniques, Assignment Help, Ask Question on techniques, Get Answer, Expert's Help, techniques Discussions

Write discussion on techniques
Your posts are moderated
Related Questions
construction of control chart,n chart

Disadvantages For calculating median it is necessary to arrange the data; other averages do not need any arrangement. Since it is a positional average, its value is not d

A researcher is interested in comparing the effectiveness of three different parts of therapy for anger problems. 8 participants are randomly assigned to 3 treatment conditions: Co

what do we mean by critical region

Determine the maximum weight in kN to one decimal point (1 DP) of the engine that can be supported without exceeding the tension given in  Parameter 1 (P1) in chain AB or 1.1 x P1

Question Following the general methodology used by econometricians as explained in the session for week 1 (eight steps), explain how you would proceed to determine if a good com

Read the “JET Copies” Case Problem on pages 678-679 of the text. Using simulation estimate the loss of revenue due to copier breakdown for one year, as follows: 1. In Excel, use a

what are the importance, uses,optimums and applications of the following in agriculture field experiments; 1.standard deviation 2.standard error 3. coefficient of variation

In recent years a number of calculators are available for doing statistical calculations over and above the usual addition, subtraction, multiplication and division. The fx-82 mode

Regression line drawn as Y=C+1075x, when x was 2, and y was 239, given that y intercept was 11. calculate the residual