Math 109 Journal

Mon Sep 1 Introduction to the course, Fallacies
Wed Sep 3 Logic, argument, premise, conclusion, proposition, conjunction, disjunction, conditional proposition, logical reasoning
Fri Sep 5 Double negation, how to use "and" and "or" in a search, conditional propositions and converse, inverse, contrapositive
Mon Sep 8 Sets- Showing the relations given in a proposition in a Venn Diagram
Wed Sep 10 Analyzing arguments, inductive arguments, deductive arguments,  validity, soundness, using Venn diagrams to prove or disprove validity.
Fri Sep 12 Disney's "Donald in Mathmagic Land", solutions to  some homework problems
Mon Sep 15 Exam 1, Problem solving: Power of units, review of basic arithmetic
Wed Sep 17 Conversion factor, converting units, exercises from section 2A (problems  printed on sheet)
Fri  Sep 19 Currency exchange, International system of units (SI), US Customary System of units (USCS), conversions between them, Blood Alcohol Content (BAC)
Mon Sep 22 Units of energy and power, problems with energy and power, population density, and BAC
Wed Sep 24 A quiz on 2C, Percentages -absolute change, relative change, the distinction of "of" and "more" or "less" than.
Fri Sep 26 Went over  homework 6 which is on section 2B, scientific notation and approximations
Mon Sep 29 Presentation by Teresa: Taking control of your finances
Distinction of "of" and "more than" and "less than"  and calculations with them, Scientific notation, Approximations using scientific notation
Wed Oct 1 Exam II (first half),  Putting numbers in perspective through estimation, comparison, and scaling
Fri Oct 3 Index numbers: CPI and other index numbers, rate of inflation
Mon Oct 6 How numbers deceive: Simpson's paradox, A polygraph test and percentage of falsely accused people,  Political math: Same numbers different interpretations about tax cuts.
Wed Oct 8 Simple vs compound interest, multiple compounding in a year, APY (annual percentage yield)
Fri Oct 10 Presentation by Yifei: Math and Music,
more on APY, Finding the principal when APR, time, and the desired accumulated amount are given.
Mon Oct 13 Review for midterm exam
Wed Oct 15 Midterm Exam
Fri Oct 17 Savings -regular payments, how much to invest regularly for a set goal.
Mon Oct 20 HAPPY FALL BREAK!
Wed Oct 22 Savings and loans
Fri Oct 24 Loans: Choosing a payment option, Savings: A comfortable retirement, Voting  (because speaker of the day did not attend class.)
Mon Oct 27 More on voting (sections 12A ,B )
Wed Oct 29 Tax calculations
Fri Oct 31 Presentation by David: Golden ratio
Statistics: Definitions of population, sample, population parameter, sample statistics
Mon Nov 3 Statistical tables and graphs, frequency, relative frequency, cumulative frequency, pie chart, bar graph, histogram, line charts, time series
Wed Nov 5 Presentation by Janice: Math in Poetry

Examples of Statistics from real life;

Bureau of Labor Statistics  - American Time Use Survey
Tables
http://www.bls.gov/news.release/atus.toc.htm
Charts
http://www.bls.gov/tus/charts/

Correlation graphs
Perfect Positive, Perfect Negative, High positive, High Negative, Low Positive, Low Negative,
No Correlation

Correlation does not equal Causation!
http://mathbits.com/mathbits/TISection/Statistics2/correlationcausation.htm

Fri Nov 7 Some review for the exam on Monday, Characteristics of data: mean, median, mode, outlier, shape of a graph
Mon Nov10 Exam 3, Characteristics of a graph: Unimodal, bimodal, uniform: Symmetric, left-skewed, right-skewed 
Wed Nov 12 Variation, five-number summary, box-plot, standard deviation, range rule of thumb
Fri Nov 14 Normal distribution (6C)
Mon Nov 17 Statistical inference (6D)
Wed Nov 19 A homework question, basics of geometry, Flatland : The Movie
Fri Nov 21 Presentation by Maggy: Math and Art
Review for the exam (also  went over homework 16)
Mon Nov 24 Exam 4, Perimeter, Area, Volume - how they change.
Mon Dec 1 More on Fundamentals of Geometry -examples about perimeter, area, volume
Wed Dec 3 Review for the final - solved examples from earlier sections
Fri Dec 5 Presentation by Tori: Polling
Presentation by Conor: Fractals
Continue to review for the final
Mon Dec 8 Presentation by Bob: Traveling Salesman Problem
Continue to review for the final
Wed Dec 10 Presentation by Rashan: Network Analysis
Presentation by Kathy: Scheduling Problems
Presentation by Duquan: Math and Sports
Evaluations
Fri Dec 12 Presentation by Jimmy: Apportionment
Continue to review for the final
Mon Dec 15- Sat Dec 20 FINAL EXAMS  - GOOD LUCK and HAVE A HAPPY BREAK!