STATISTICS:  Class Notes

Prof.  G. Battaly, Westchester Community College, Valhalla NY  (updated 04/21/2019)

 Test #1 Preparation           Test #2 Preparation Chapter 1 Nature of Statistics Chapter 2 2.3 Organizing Quantitative Data      student height excel file 2.4 - 2.5 Distribution Shapes Chapter 3 3.1 Measures of Center 3.2 Measures of Variation 3.4 Five Number Summary; Box Plot 3.5 Samples, Populations, and z-scores Chapter 4 4.1 Probability Basics 4.2 Events 4.3 Probability of Events 4.4&5 Contingency Tables; Conditional Probability 4.6 Independence Chapter 6 Normal Curve:  geogebra demo Area under Normal Curve:  geogebra demo Normal Distribution and the SNC:  **video of geogebra demo 6.1 Normal Distribution 6.2 Area under Standard Normal Curve 6.3 Normally Distributed Variables 6.4 Normal Probability Plots Chapter 7 7.1 Sampling Distribution Of Mean 7.2 Mean and Standard Deviation of Sample Mean 7.3 Distribution of the Sample Mean Chapter 8 8.1 Point Estimate and CI 8.2A Confidence Interval, Known Standard Deviation 8.2B Margin of Error and Sample Size t-Curve comp. to SNC  geogebra demo with animation 8.3 Confidence Interval, Standard Deviation NOT known Chapter 9 9.1 Hypothesis Testing 9.2 & 9.3 Critical Value vs P-Value Approach p-Value and Science, 2019 9.4 Hypothesis Test:  1 mean, σ known 9.5 Hypothesis Test:  1 mean, σ NOT known Chapter 10 10.1 Hypothesis Tests Comparing Two Means 10.2 Pooled t Test (equal σs) 10.3 Non-Pooled t Test (σs NOT equal ) Hypothesis Testing Puzzle 10.4 Mann-Whitney Test 10.5 Paired t - Test Two Sample Procedure Practice Sheet Chapter 13 Chi-Square Distribution  geogebra demo with animation 13.1&13.2 Chi-Square Tests 13.4 Chi-Square Independence Chapter 14 Linear Regression  geogebra demo 14.2 Linear Regression Equation 14.3 Coefficient of Determination 14.4 Correlation Coefficient Chapter 15 15.4 Inferences in Correlation Chapter 16 F-Distribution geogebra demo with animation 16.1-16.3 ANOVA Chapter 11 11.2 Comparing Two Standard Deviations Review Which Procedure?

Last Updated   05/05/2014
By Prof. Battaly, http://www.battaly.com/
Email: merlin@pipeline.com