Econ 125 Solution to Midterm Dr. A.Sohrabian
1. Assume you were to use alpha values of 0.1, 0.5, and 0.9 in a simple exponential smoothing
model. How would these different alpha values weight past observations of the variable to be
The professor mentioned today that a homework assignment is posted to EEE. I will be going over the
homework in discussion section this Wednesday and next Monday. Attached is a quick document for how
to get started on Question 2.11, which re
Steps to start EViews part of homework:
Get into the virtual computer lab.
Go to UCIs virtual computer lab (VCL) at https:/vcl.oit.uci.edu/
Choose New Reservation
Select Irvine Win7 Eviews 8.1 from the drop down menu
For Duration, choose a
Practice Problem for Midterm II
You would like to estimate a wage equation. Your dependent variable is wage. You have data on
education, experience, and gender.
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MT1_125_16 (Winter Qtr 2016) - LETTER SIZE 6971 (3077)
Instructions to Instructor:
Do not alter this coversheet in ANY way. Substantial delays and additional fees may apply.
Final Exam Practice Problem
Increases in the mortgage interest rate increase the cost of owning a house and lower the
demand for houses.
We consider an equation where the monthly change in the number of new one-family houses
sold in the U.S. depe
ECON 125 Winter 2016
During midterm I you modelled house price as a function of a house size. In order to improve your
model you collect data on the number of bedrooms (BDRMS), lot size (LOTSIZE) and house style
(COLONIAL, equal to one
Practice Problems for Sample Midterm I
1. Which of the following is NOT an assumption of the Simple Linear Regression Model?
a.) The value of y, for each value of x, is
y = 1 + 2x + e
b.)The variance of the random error e is
c.) The cov
University of California, Irvine
Department of Economics
T Th 9:30-10:50 am
Course website: https:/eee.uci.edu/16w/62190
UNIVERSITY OF CALIFORNIA IRVINE
DEPARTMENT OF ECONOMICS
ECON 125: Business Forecasting
A. Sohrabian, Ph.D.
TH: 12:15-1:45 & 6:30-7:00PM
Econ 125 Solution To Assignment #3 A.Sohrabian
u. a) The tratio for the slope coefcient is:
b/(standard error of b) = 805/258 M 3.12.
This indicates that experience is a statistically signicant determinant of salary if a 95%
condence level is used for a