Math 121 Lectures

Spring 2012


Date Section Lecture Topic
Wed, Jan 18 Sec 1.1 - 1.2 1 Introduction
Chapter 1: How to Make a Decision with Statistics
Fri, Jan 20 Sec 1.3 2 The Language of Statistical Decision Making - Part 1
Mon, Jan 23 Sec 1.3 3 The Language of Statistical Decision Making - Part 2
Tue, Jan 24 Sec 1.4.1 - 1.4.2 4 What's in the Bag? - Part 1
Wed, Jan 25 Sec 1.4.3 5 What's in the Bag? - Part 2
Chapter 2: Producing Data
Fri, Jan 27 Sec 2.1 - 2.4 6 The Language of Sampling
Mon, Jan 30 Sec 2.5 7 Simple Random Sampling
Tue, Jan 31 Sec 2.6 8 Stratified and Cluster Sampling
Chapter 3: Observational Studies and Experiments
Wed, Feb 1 Sec 2.7 - 2.8
Sec 3.1 - 3.3
9 Systematic Sampling
Fri, Feb 3 Sec 3.4 10 Understanding Experiments
Mon, Feb 6 Sec 3.5.2
4.1 - 4.2
11 Controlling Bias
Chapter 4: Summarizing Data Graphically
Tue, Feb 7 Sec 4.3.1 - 4.3.2 12 Displaying Distributions - Qualitative Variables
Wed, Feb 8 Sec 4.4.1 - 4.4.2 13 Displaying Distributions - Quantitative Variables
Fri, Feb 10 Sec 4.4.4 14 Histograms
Chapter 5: Summarizing Data Numerically
Mon, Feb 13 Sec 5.1 - 5.2 15 Measuring center
Tue, Feb 14 Sec 5.3.3 16 The Five-Number Summary
Wed, Feb 15 Sec 5.3.3 17 Boxplots
Fri, Feb 17 Test 1 Fall 2011 (Answers)
Test 1 Fall 2009 (Answers)
Test 1 Spring 2009 (Answers)
Test 1 Fall 2008 (Answers)
Test 1 Spring 2008 (Answers)
Test 1 Fall 2007 (Answers)
Test 1 Spring 2007 (Answers)
Test 1 Fall 2006 (Answers)
Mon, Feb 20 Sec 5.3.4 18 Standard Deviation
Chapter 6: Using Models to Make Decisions
Tue, Feb 21 Sec 6.1 - 6.3.1 19 Modeling Continuous Variables
Wed, Feb 22 Sec 6.3.1 20 The Normal Distribution
Fri, Feb 24 Sec 6.3.1 21 Normal Percentiles
Chapter 7: How to Measure Uncertainty with Probability
Mon, Feb 27 Sec 7.5.4 22 Continuous Random Variables
Tue, Feb 28 Sec 7.5.4 23 Continuous Random Variables
Chapter 8: Sampling Distributions: Measuring the Accuracy of Sample Results (Proportions)
Wed, Feb 29 Sec 8.1 - 8.2 24 Continuous Random Variables
Fri, Mar 2 Sec 8.1 - 8.2 25 The Central Limit Theorem for Proportions
Mon, Mar 5 Sec 8.1 - 8.2 26 The Central Limit Theorem for Proportions
Chapter 9: Making Decisions about a Population Proportion with Confidence
Tue, Mar 6 Sec 9.1 - 9.3 27 Hypothesis Testing Proportion
Wed, Mar 7 Sec 8.4 28 Confidence Intervals for Proportions
Fri, Mar 9 Sec 9.1 - 9.2 29 Confidence Intervals for Proportions
Chapter 8: Sampling Distributions: Measuring the Accuracy of Sample Results (Means)
Mon, Mar 19 Sec 9.3 30 The Central Limit Theorem for Means
Tue, Mar 20 Sec 9.4 31 Central Limit Theorem Examples
Chapter 10: Making Decisions about a Population Mean with Confidence
Wed, Mar 21 Sec 9.4 32 Hypotheses Testing for Means
Fri, Mar 23 Test 2 Fall 2011 (Answers)
Test 2 Fall 2009 (Answers)
Test 2 Spring 2009 (Answers)
Test 2 Fall 2008 (Answers)
Test 2 Fall 2007 (Answers)
Test 2 Spring 2007
Test 2 Fall 2006
Test 2 Spring 2006
Mon, Mar 26 Sec 10.1 - 10.2 33 Student's t Distribution
Tue, Mar 27 Sec 10.2 34 The t-Test
Wed, Mar 28 Sec 10.2 35 Confidence Intervals for Means
Fri, Mar 30 Sec 10.4 36 Paired Samples
Chapter 11: Comparing Two Treatments
Mon, Apr 2 Secs 11.1 - 11.3 37 Paired Samples
Tue, Apr 3 Sec 11.5 38 Independent Samples: Comparing Means
Wed, Apr 4 Sec 11.5 39 Independent Samples: Comparing Means
Fri, Apr 6 Sec 11.5 40 Independent Samples: Comparing Proportions
Chapter 13: Is There a Relationship Between Two or More Quantitative Variables?
Mon, Apr 9 Sec 13.3.2 41 Modeling a Linear Relationship
Tue, Apr 10 Sec 13.3.2 42 Calculating the Regression Line
Wed, Apr 11 Sec 13.4 - 13.5 43 Residual Analysis
Fri, Apr 13 Sec 13.7 44 Correlation
Mon, Apr 16 Sec 13.7 45 Correlation
Tue, Apr 17 Sec 13.10 47 The Significance of the Model
Wed, Apr 18 Sec 13.9 46 The Coefficient of Determination
Fri, Apr 20 Test 3 Fall 2011 (Answers)
Test 3 Fall 2009 (Answers)
Test 3 Spring 2009 (Answers)
Test 3 Fall 2008 (Answers)
Test 3 Spring 2008
Test 3 Fall 2007 (Answers)
Test 3 Spring 2007 (Answers)
Test 3 Fall 2006 (Answers)
Chapter 14: Analysis of Count Data
Mon, Apr 23 Sec 14.1 - 14.3 48 Goodness of Fit Test
Tue, Apr 24 Sec 14.3 49 Goodness of Fit Test
Wed, Apr 25 Sec 14.4 - 14.5 50 Tests of Homogeneity and Independence
Fri, Apr 27 Sec 14.4 - 14.5 51 Tests of Homogeneity and Independence
Mon, Apr 30 Sec 13.1 - 13.3.1 52 Tests of Homogeneity and Independence
Tue, May 1
53 Review
Chapters 13-14 Questions (Answers)


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