Exam (elaborations)
ECS3706 ASSESSMENT5 1 SEM 1 OF 2024 EXPECTED QUESTIONS AND ANSWERS
- Course
- Ecs3706 (ECS2706)
- Institution
- University Of South Africa (Unisa)
ECS3706 ASSESSMENT5 1 SEM 1 OF 2024 EXPECTED QUESTIONS AND ANSWERS
[Show more]
Content preview
ECS3706/ASSIGNMENT 1/2024Assignment 01 Semester 01
Econometrics
ECS3706 OSCAR THE TUTOR
whatsapp +27737560989
for
FAC,MAC,ECS,TAX,FIN,INV,QMI,BNU,M
NB,MNG ,STA tutoring
Semester 1
Department of Economics
This tutorial letter contains Assignment 1 Questions.
BARCODE
, 1 Which of the following statements is/are correct? A dependent variable is also known as
a(n)
a Response variable
b Explanatory variable
c Control variable
OSCAR THE TUTOR
[1] a whatsapp +27737560989
[2] a and b for
[3] a, b and c FAC,MAC,ECS,TAX,FIN,INV,QMI,BNU,MNB,MNG
,STA tutoring
[4] b and c
[5] Not [1], [2], [3] or [4]
2 Which of the following statements is/are correct? The equation 𝑌̂ = 𝛽̂0 + 𝛽̂1 𝑋 denotes.
a The Explained Sum of Squares (ESS)
b The Total Sum of Squares (TSS)
c The Sample Regression Function (SRF)
[1] a
[2] a and b
[3] c
[4] b and c
[5] Not [1], [2], [3] or [4]
Questions 3 - 10 require you to estimate regression function 1 using the Ordinary Least Squares
(OLS) method.
𝐼𝑁𝐹 = 𝛽0 + 𝛽1 𝐼𝑅𝐴𝑇𝐸………………. (Equation 1)
Questions 11 – 13 require you to estimate the regression function 2.
𝐼𝑁𝐹 = 𝛽0 + 𝛽1 𝐼𝑅𝐴𝑇𝐸 + 𝛽2 𝐺𝐷𝑃………. (Equation 2).
Where: INF: Inflation Rate as measured by the Consumer Price Index (CPI) (annual %)
IRATE: Interest Rate (%)
GDP: Gross Domestic Product (current US$)
The data, which is obtained from the World Bank Development Indicators (WDI) for the period
1980 - 2022 is provided in the Excel spreadsheet under the Additional Resources Folder on
MyUnisa.
• Derive your answers from basic principles, using MS Excel to compile a table similar to
Table 2.1: The calculation of estimated regression coefficients for the Weight/Height
example). See Studenmund, p58 in the seventh edition.
• Use a spreadsheet to perform the calculations. Please use full accuracy (no rounding)
in all calculations since rounding may significantly affect your results.
• Small letters refer to deviations from the means as in 𝑥 = 𝑋 − 𝑋̅ and 𝑦 = 𝑌 − 𝑌̅.
2
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through EFT, credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying this summary from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller oscardiura. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy this summary for R118,00. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
67474 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy summaries for 14 years now