a)Distinguish between different classification of market structures and their prevalence in Tanzania. (20 Marks) b)In 2019, thesales
Question:
a)Distinguish between different classification of market structures and their prevalence in Tanzania.(20 Marks)
b)In 2019, thesales andadvertising expenditureof seven companies weregiven asfollows ;
Firm | Advertising($ Billions) | Sales($ Billions) |
Fiat | 5.7 | 0.27 |
Honda | 6.7 | 0.12 |
BP | 0.2 | 0.01 |
Toyota | 0.6 | 0.04 |
Apple | 3.8 | 0.05 |
IBM | 12.5 | 0.46 |
Phillips | 0.5 | 0.02 |
The model can be estimated by the following regression equation;
Yi= +i+i..............................................................................Eqn.1
Where;
Y = Companies Sales
X = Advertising Expenditure
i=Error term
and are parametersto be estimatedin the model
Use the above information to answer the following questions;
(a)What does the error term in the model 1 abovemean?(05Marks)(b)Calculate the sample regression line, whereSalesis the dependent variable (Y) andAdvertisingisthe independent variable (X)(02Marks)(c)Interpret the Slope coefficient(01Marks)(d)Estimate the 2008 average profit of a firm with 2008 sales of $2 billion(02Marks)
NB:
You can use;
and
Or any other formula of your interest.
Human Resource Management A Global And Critical Perspective
ISBN: 9781137521620
2nd Edition
Authors: Jawad Syed, J; Kramar Syed, Robin Kramar