Economics 220  Business Statistics (Readings should be completed
prior to the lecture) 

DATES 
TOPICS 
READINGS AND ASSIGNMENTS 
WEEK 1 

January 17, 19 
Introduction
and Review of Syllabus Data and Statistics 
Introduction, Read the Syllabus etc.
Political Numbers Games Read Chapter 1  Data and Statistics (PPT) (How to Lie and Cheat with Statistics) Example: Nations Assigned
Problems in Chapter 1 (6^{th} and 7^{th} Eds.): 1, 13, 14 (Data), 19, 24 
WEEK 2 

January 22 
Sampling 

January 24 
Descriptive  Frequency 
Read Chapter 2 (Sec. 2.1, 2.2, 2.3)  Descriptive Statistics: TabularGraphical
Presentations (PPT) Examples: 1. Hotel Ratings 2. Frequency 3. Soft Drink 4. Audit 
January 26 
Excel Data Analysis: Histograms, Bar Charts and
Cross Tabulations 
Read Chapter 2 (Sec. 2.4, 2.5)  Refer to Descriptive Statistics: TabularGraphical
Presentations (PPT) Examples: 1. Restaurant Data
2. Crosstab 3. Stereo 4. Hypertension 5. FortuneBest100 Assigned Problems in Chapter 2 (6^{th} and 7^{th} Eds.): 8 (Data), 12, 27 (Data) Simpson's
Paradox (No need to
download) Best and Worst Pie Chart Misleading Diagram Nice Pie Charts 
WEEK 3 

January 29, 31 
Descriptive 
Location and Dispersion QUIZ 1 (January 31) 
Read Chapter 3 (Sec.
3.1, 3.2)  Descriptive
Statistics: Numerical Measures
(PPT) Assigned
Problems in Chapter 3(6^{th} and 7^{th} Eds.): 2, 30 (20 in 6^{th}), 34 (24 in 6^{th}),
40 (30 in 6^{th}), 58 (48 in 6^{th})
Types
of Kurtosis Arithmetic versus Geometric Mean QUIZ 1 (Chapters 1, 2 and
7 (7.1,7.2) 
February 2 
Descriptive 
Relative Measures, Correlation 
Read Chapter 3 (Sec.
3.3, 3.4, 3.6)  Refer
to Descriptive
Statistics: Numerical Measures (PPT) Assigned Problem: World Temperature 
WEEK 4 

February 5 
Catchingup Time and
Review 
Review for Exam 
February 7 
Class cancelled due to weather 
Keep Studying 
February 9 
(Chapters 1, 2 and 3) 

WEEK 5 

February 12 
Probability: Rules and Functions 
Read Chapter 4 (Sec.
4.1, 4.2, 4.3)  Introduction to Probability (PPT) Precipitation Example Assigned Problems in Chapter 4 (in Text) (7^{th} Edition) – 20, 28, 32,
33 (Solutions) Assigned Problems
in Chapter 4 (6^{th} Edition): 2, 18, 32, 38 Independent versus Mutually Exclusive Independent Events and Joint Probability
Examples 
February 14 
Discrete
ProbabilityRandom Variables 
Read Chapter 5 (Sec. 5.1, 5.2, 5, 3)  Discrete Probability Distributions (PPT) Finance Example: EVandVar 
February 16 
Online Day ONLINE QUIZ 2 
Watch the following
videos: Probability
Song Permutations (counting
principle, factorials) Combinations
(permutations) Conditional
ProbabilityExample ONLINE QUIZ 2 (Chapter
4) IN MOODLE (GRADED – 5 points) – Due end of day February 18 
WEEK 6 

February 19 
Uniform Probability 
Read Chapter 6 (Sec.6.1)  Continuous Probability Distributions (PPT) 
February
21 
Probability Distributions  Normal Distribution 
Read Chapter 6 (Sec. 6.2)  Refer to Continuous Probability Distributions (PPT) Negative and Positive Cumulative Standard Normal Link
to Z  distribution Calculator 
February
23 
Catchingup Time and Review 
Review for Exam 
WEEK 7 

February 26 
(Chapters 4, 5, and 6) 

February 28 
Sampling Distributions 
Read Chapter 7 (Sec. 7.3, 7.4, 7.5, )  Point Estimation and Sampling
Distributions (PPT) Assigned Problems in Chapter 7 (6^{th} and 7^{th} Eds.): 16, 19 
March
2 
Sampling Distributions Continued 
Read Chapter 7 (Sec. 7.6, 7.7, 7.8) – Refer
to Point Estimation and Sampling
Distributions (PPT) 
WEEK 8 – March 5 to March 11 is
Spring Break 

WEEK 9 

March
12,
14, 16 
Interval Estimation – Mean Sample Size Determination QUIZ 3 (March 16) 
Read Chapter 8 (Sec. 8.1,
8.2, 8.3) – Interval Estimation (PPT) Examples: 1. Lloyd's
2. Scheer 3. Tee Time 4. Job Search Assigned Problems in Chapter 8 (6^{th} and 7^{th} Eds.): 2, 12, 14, 18 (Data) Additional
Practice Problems Chapters 7 and 8 Student's tdistribution Link
to Student's t  distribution Calculator QUIZ 3 (Chapter 7) 
WEEK 10 

March 19 
Hypothesis TestingConcept 
Read Chapter 9(Sec. 9.1, 9.2)  Hypothesis Testing (PPT) Examples: 1. Coffee 2. Women’sGolf 
March
21, 23 
Hypothesis
Testing Test of Means 
Read Chapter 9(Sec. 9.3, 9.4, 9.5,
9.6) – Refer to Hypothesis Testing (PPT) 
WEEK
11 

March
26 
(Chapters 7, 8 and 9) 

March 28 
Simple
Regression and Rsquared 
Read Chapter 14 (Sec. 14.1, 14.2,
14.3, 14, 4, 14.5, 14.6, 14.7, 14.8, 14. 9) – Simple Linear Regression (PPT) Examples: 1. Reed’s Auto Sales 2. Armand’s Pizza 3. CostofLiving
4. RaceHelmets 5. GPS 6. Exercise Assigned Problems in Chapter 14 (7^{th}
Eds): 20 (Data), 27 (Data), 43 (Data), 44 (Data) 
March 29 to April 2 – Easter Break 

WEEK 12 (Last day to
withdraw with a "W" is April 3) 

April
4, 6 
Simple
Regression Testing for
Significance 
Read Chapter 14 (Sec. 14.1, 14.2,
14.3, 14, 4, 14.5, 14.6, 14.7, 14.8, 14. 9) – Simple Linear Regression (PPT) Examples: 1. Reed’s Auto Sales 2. Armand’s Pizza 3.
RaceHelmets 4. GPS 5. Coach’sSalary
Assigned Problems in Chapter 14 (7^{th}
Eds): 20 (Data), 27 (Data), 43 (Data), 44 (Data) 
WEEK 13 

April
9,
11, 13 
Multiple Regression Multicollinearity QUIZ 4 (April 11) 
Read Chapter 15 (Sec. 15.1, 15.2, 15.3, 15.4, 15.5, 15.6, 15.7,
15.8, 15.9)  Multiple
Regression (PPT) Handout  MR Examples: 1. ComputerProgramming 2.
Butler Trucking 3. Johnson 4.
CruiseShips
5. PGATour 6. DummyVariable 7. StrokeDV 8. TwoDummy Assigned Problems in Chapter 15 (6^{th} and 7^{th}):
5 (Data), 38 (Data),
40 Practice Problems for Chapters 14 and 15 Link
to Z, Student's
t,
F and Chisquare Tables Calculator QUIZ 4 (Chapter 14) 
WEEK 14 

April
16 
Experimental Design and Analysis of
Variance 
Read Chapter 13 (Sec.
13.1, 13.2)  Experimental
Design and Analysis of Variance
(PPT) Examples: 1. Midwest Gas 2. Rental Vacancy 
April
18 
Catchingup Time
and Review 
Catchingup Time and Review for Exam 
April 20 
(Chapters
13, 14 and 15) 

WEEK 15 

April 23, 25, 27 
TestingTest of Independence 
Read Chapter 12 (Sec. 12.1, 12.2)  TestingTest of Independence (PPT) 
WEEK
16 

April
30 
Last
day of Class 
Equations
Recommended to Know for Test (Yes you can put these on a 3x5 card) 
May
1 To May 10 
FINAL EXAM PERIOD 
See Schedule
 Please be aware that the final exam schedule is NOT flexible. 