ECON1320
Quantitative Economics and Business Analysis B
LECTURE 5
Multiple Regression A
Section 14.1 - 14.4
Todays Topics
Revision: simple linear regression model (chapter 13) Estimation and Interpretation of the multiple regression (MR) model Prediction
Tutorial 3 Exercises for Lecture 3 ANALYSIS OF VARIANCE At the end of this tutorial you should be able to state the assumptions behind ANOVA conduct an F-test for the difference between more than two means using one-way ANOVA conduct an F-test for the dif
ECON1320 Quantitative Economic and Business Analysis B
Introduction & Overview
Teaching team:
Lecturers: Vincent Hoang at R441, BLD39A Tutors
LECTURE 1
Introduction to ECON1320 Inferences for Two Populations Ref: Sections 10.4 and 10.5
Lectures: two lectu
Take Assessment: Quiz 1
Name Quiz 1 Instructions This quiz is due on 18 Aug 2008 before 10 pm. Read the CML instruction sheet carefully before you begin, and take particular note of the rules in step 4. If you have entered answers to your questions but wi
Question 1
3 points A financial economist wished to determine whether the profitability of financial institutions differed between the type of institution. Eight banks, five building societies and six credit unions were surveyed and the results are contai
Question 1
1 out of 1 points Which of the following is/are assumptions underlying the test for the equality of two variances? Selected Answer: 4. 1 and 2 Correct Answer: 4. 1 and 2
Question 2
0 out of 2 points A public opinion survey wished to determine i
Todays Topics
ECON1320
Quantitative Economics and Business Analysis B
1. Components of a time series 2. Smoothing techniques for forecasting 3. Trend analysis for forecasting
LECTURE 7
Times Series A Section 16.1 16.3
2
Background
The study of business an
YEAR 11 HSC PHYSICS
8.4 MOVING ABOUT
Worksheet Displacement-Time Graphs
8.4.1.B
Set 1 Drawing Displacement-Time Graphs
1.
The table below shows the movement of a car as it travels along a straight road.
Time (s)
Displacement (m)
a)
0
0
5
3
10
6
15
9
20
12
ECON2020: Macroeconomic Theory Mid Semester Examination, Semester 1, 2012
Part A: 20 Multiple Choice Questions
(1 mark each)
1. Neoclassical macroeconomic theory views the time path of real GDP growth as
a. consisting of a trend and cyclical component.
b
Physics 104 Final Exam May 15, 2003
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Name ID #
Section # TA Name
Fill in your name, student ID # (not your social security #), and section # (under ABC of
special codes) on the Scantron sheet. Fill in the letters given for the first 5 questions
MKTG 1501
Foundations of Marketing
Student Workbook
Semester 1 2015
WORKBOOK
Name_
Student Number _
Tutors Name _
Email _
MKTG1501 - Foundations of Marketing / Semester 1,2015
Copyright The University of Queensland, 2015
1
Class Group
Building / Room
Day
Electricity and Electromagnetic Charge Terminology:
Voltage (V): (formal definition) the measure of energy per coulomb of charge in a circuit,
it is the potential difference between two points. One volt = one joule/coulomb
(informal defintion): a numeric
PHYS1171 FORMULAE AND PHYSICAL CONSTANTS (revised 8/9/2013)
Motion
x = x f xi
x
t
v
a=
t
v=
Rotational Motion
xCM =
m1 x1 + .+ mn x n
m1 + .+ mn
= Fd = Fr sin
Vectors
x = r cos
y = r sin
r = x2 + y2
Electricity
I=
Q
t
F = ma
~
~
W = mg
f = N
KE =
v f =
Work with yellow cells only, Partial information is given n1 n2 n3 n4 n5
all blue cells are formularised Complete the table Input table Source of variation Between Groups (SSC) Within Groups (SSE) Total LOS, SS df MS
LOS, Output table Fcrit Fcalc Decision
ECON1320 Quantitative Economic and Business Analysis B
Topics
Use the Chi-square (2) statistic to test
1.
whether a given variable follows a hypothesized population distribution (2 Goodness-of-Fit Test) hypotheses on population proportions as an alternati
Treatment or classification variables? ECON1320 - Lecture 3
The treatment variable is under the control of the analyst.
Examples: amount of light, temperature
Analysis of Variance (ANOVA) Chapter 11.1 11.5
The classification variable is an existing cha
Tutorial 2 Exercises for Lecture 2 CHI-SQUARE TESTS
At the end of this tutorial you should be able to
u
conduct a chi-square goodness of fit test conduct a chi-square goodness of fit test as an alternative technique to the z test for one population prop
1
Tutorial 4 Tutorial Exercises Lecture 4 NONPARAMETRIC TESTS
At the end of this tutorial you should be able to conduct a Mann-Whitney U test for the difference between two medians conduct a Kruskal-Wallis test for the difference between several medians c
Tutorial 6 Exercises for Lecture 6 MULTIPLE REGRESSION B At the end of this tutorial you should be able to state the assumptions behind the normal multiple regression model use a scatter plot to assess whether the homoskedasticity assumption is violated u
Tutorial 5 Exercises for Lecture 5 MULTIPLE REGRESSION A At the end of this tutorial you should be able to calculate and interpret the coefficients of the multiple regression model conduct hypothesis tests and construct confidence intervals concerning the
Todays topics ECON1320
Quantitative Economics and Business Analysis B
Assumptions of the MR model Assessing the assumptions
1. 2.
LECTURE 6
Multiple Regression B Chapter 13.3, 15.4, 16.5, 15.2
3. 4. 5.
Linearity in the relationship between Y and Xi Normal
Recall Hypothesis tests
ECON1320 - Lecture 4
Econ1310:
z, t tests for population mean z test for population proportion t test for the difference between two population means
Nonparametric tests Sections 17.2, 17.5
Econ1320 (L1 L3)
z test for the diffe