100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Test Bank for Introductory Econometrics A Modern Approach, 7th Edition Wooldridge (Chapter 2 to 19 included) $29.49   Add to cart

Exam (elaborations)

Test Bank for Introductory Econometrics A Modern Approach, 7th Edition Wooldridge (Chapter 2 to 19 included)

 13 views  0 purchase
  • Course
  • Microeconomics
  • Institution
  • Microeconomics

Complete Test Bank for Introductory Econometrics A Modern Approach, 7th Edition by Jeffrey M. Wooldridge ; ISBN13: 9781337558860.....(Full Chapters included Chapter 2 to 19)....1. The Nature of Econometrics and Economic Data (***TB not available for publisher side) 2. The Simple Regression Model. ...

[Show more]

Preview 3 out of 112  pages

  • May 17, 2024
  • 112
  • 2019/2020
  • Exam (elaborations)
  • Questions & answers
  • Microeconomics
  • Microeconomics
avatar-seller
mizhouubcca
TEST BANK




Introductory Econometrics
A Modern Approach
7th Edition by Jeffrey M. Wooldridge



Complete Chapters Test Bank
are included (Ch 2 to 19)




** Immediate Download
** Swift Response
** All Chapters included

,Name: Class: Date:

Chap 02_7e

Indicate whether the statement is true or false.
1. There are n-1 degrees of freedom in Ordinary Least Square residuals.
a. True
b. False


2. R2 is the ratio of the explained variation compared to the total variation.
a. True
b. False

3. In general, the constant that produces the smallest sum of squared deviations is always the sample average.
a. True
b. False

4. The sample covariance between the regressors and the Ordinary Least Square (OLS) residuals is always
positive.
a. True
b. False

5. Simple regression is an analysis of correlation between two variables.​
a. True
b. False

6. A natural measure of the association between two random variables is the correlation coefficient.
a. True
b. False

7. In a simple linear regression model, wage = + male + u, where male is a binary variable (1 if a person is
male, and 0 otherwise), is the difference in the average wage between males and non-males.
a. True
b. False

8. The variance of the slope estimator increases as the error variance decreases.
a. True
b. False

Indicate the answer choice that best completes the statement or answers the question.
9. In the regression of y on x, the error term exhibits heteroskedasticity if _____.
a. it has a constant variance
b. Var(y|x) is a function of x
c. x is a function of y
d. y is a function of x




Page 1

, Name: Class: Date:

Chap 02_7e

10. Which of the following is an example of a dummy variable?
a. A person’s hourly wage
b. The number of years of education someone has
c. The number of years of work experience someone has
d. Whether or not someone has a college degree

11. Which of the following will cause Ordinary Least Square (OLS) estimates of a simple regression model, y =
+ x + u to be biased?
a. Every individual in the population has the same probability of being observed in the sample.
b. The observed values of span a wide range.
c. The constant, is greater than the coefficient, .
d. The constant, is greater than the coefficient, .

12. What does the equation denote if the regression equation is ?
a. The explained sum of squares
b. The total sum of squares
c. The sample regression function
d. The population regression function

13. The explained sum of squares for the regression function, , is defined as _____.

a.

b.


c.


d.

14. If the total sum of squares (SST) in a regression equation is 81, and the residual sum of squares (SSR) is 25,
what is the explained sum of squares (SSE)?
a. 64
b. 56
c. 32
d. 18




Page 2

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

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

Quick and easy check-out

You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

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 these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller mizhouubcca. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $29.49. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

67163 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$29.49
  • (0)
  Add to cart