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
Product
Kellogg's
Sam's Choice Extra raisin (Wal-Mart)
Kountry Fresh (Winn-Dixie)
Post Premium
American Fare (kmart)
America's Choice (A&P)
Safeway
Kroger
General Mills Total
Post The Original Shredded Wheat 'N Bran
Post The Original Shredded Wheat, Spoon
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
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
n
(pm & TWA Sh%"*-
' " ' ' 'E 532.4) -
. . 133in (390 gogqukhedwa ml)
(10m; ~ _
6 Giggle visa w m we: ckci ileuquh-L I/miwgn l? 59 TABiE 19.5 Areas of the standard nnrmal distribution 11 = 0.51:1
The entries in this table are the'probabilities that a
Feedback (from Lecture 5)
ECON1310
Quantitative Economic & Business Analysis A
All the fish at a fish farm are two years old and
their lengths are known to be normally distributed.
The mean length of all the fish is 16cm and
standard deviation of 2cm. Fin
Example 3: Redo Example 1, from
Lecture 9, using the p-value method.
ECON1310
Quantitative Economic & Business Analysis A
LECTURE 10
Hypothesis Testing Part 2
Summary slides used in YouTube videos to complete
second half of Lecture 10
Test the manufacture
Feedback (from Lecture 9)
The region of rejection for a one-tailed test is
always:
ECON1310
Quantitative Economic & Business Analysis A
a) less than 0.005
b) smaller than that for a two tailed test
LECTURE 10
Hypothesis Testing Part 2
c) in the tail which
Steps 2, 3 & 4: Alternative method
(using the Critical Sample Mean)
ECON1310
Is the test statistic in the rejection region?
Quantitative Economic & Business Analysis A
X crit
LECTURE 9
Hypothesis Testing Part 1
Summary slides used in YouTube videos to com
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 =
ECON1320 Lecture 6
Multiple Regression B
Testing the Regression Assumptions,
Indicator (Dummy) Variables
Chapter 13.3, 15.4, 16.5, 15.2
Learning Objectives
At the end of this lecture you should be able to
test the assumptions behind the normal
multiple r
ECON1320
Lecture 2
Analysis of Variance (ANOVA)
Refs: Black et al., Ch. 11.1,11.2,11.4
Learning Objectives
In this lecture we will introduce the concept of
experimental design
We will compare the means of multiple populations
using one-way ANOVA (the co
The Statistics Check-up for students who have completed ECON1310.
Aim: As part of a research project, we are interested to see how much students have learned after
completing ECON1310.
Method: A list of 40 MCQs relating to the normal distribution, samplin
The market for nails is perfectly competitive. There are a total of 1,000 buyers and
em has an individual demand for nails (expressed in tonnes) given
by 0 =20 — P There are a total of 30.000 producers of nails facing the following
00 — . VC =_ 5‘q2, MC =
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
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