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

Syllabus (PDF) Grading Scale Datafiles 

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 and 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 
EXAM 1 
(Chapters 1, 2 and 3) 
February 9 
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 (7^{th}
Edition) – Problems and Solutions in Text/Moodle): 20, 28, 32, 33 Assigned
Problems in Chapter 4 (6^{th} Edition): 2, 18, 32, 38 Independent versus Mutually Exclusive Independent Events and Joint
Probability Examples 
WEEK 5 

February 12 
Probability: Rules and Functions Continued 
Read Chapter 4 (Sec.
4.4)  Introduction to Probability (PPT) 
February 14 
Discrete
ProbabilityRandom Variables 
Read Chapter 5 (Sec. 5.1, 5.2, 5, 3)  Discrete Probability Distributions (PPT) Finance Example: EVandVar ExampleDATA 
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 
EXAM 2 
(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) Practice Problems for Chapter 8
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 
Catchingup Time and
Review 
Review and Study for Exam 
March 28 
EXAM 3 
(Chapters 7, 8 and 9) 
March 29 to April 2 – Easter Break 

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

April
4, 6 
Simple
Regression and Rsquared 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. CostofLiving
4. RaceHelmets 5. GPS 6. Exercise 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 13) 
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. Coach’sSalary 8. DummyVariable 9. StrokeDV 10. RestaurantRatings 11. 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 and
15) 
WEEK 14 

April
16, 18 
Catchingup Time
and Review 
Catchingup Time and Review for Exam 
April 20 
EXAM 4 (Chapters
14 and 15) 

WEEK 15 

April 23, 25, 27 
TestingTest of Independence 
Read Chapter 12 (Sec. 12.1, 12.2)  TestingTest of Independence (PPT) Examples: 1. Research 2. Alber’s 3. M&M 4. IS
5. BeerPreference 
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. 