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Math 123 (Introduction to Statistics)

Textbook (optional) with Appendices (required)

Note: In the event that links do not work, because the server is down, hardcopies of the textbook units and appendices, the exercises sets, the answers to odd numbered exercises, and the lab exercises are all on permanent reserve in the college library under “Sprechini – Math 123”

Click on the Unit, Exercise Set, or Appendix pages you would like to see:

Unit 1 - Variables

Unit 2 – Summarizing Data

Unit 3 – More Summarizing Data                     

Unit 4 – Numerical Summaries 

Unit 5 – Data Diagnostics

Unit 6 – More Numerical Summaries

Unit 7 – Comparisons and Relationships           

Unit 8 – Describing Relationships with Contingency Tables

Unit 9 – Describing Relationships with Scatterplots and Line Graphs     

Unit 10 – Describing Relationships with Correlation

Unit 11 – Describing Relationships with Linear Regression

Unit 12 – Regression Diagnostics

Unit 13 – Samples and Populations

Unit 14 – Sampling Distributions

Unit 15 – Density Curves and z-scores

Unit 16 – Normal Distributions

Unit 17 – The Central Limit Theorem

Unit 18 – More Sampling Distributions

Unit 19 – Formulating Hypotheses and Making Decisions

Unit 20 – Hypothesis Testing

Unit 21 – Student’s t Distributions in Hypothesis Testing

Unit 22 – One-Sided and Two-Sided Hypothesis Tests

Unit 23 – Experimental Design

Unit 24 – Hypothesis Tests about Means

Unit 25 – Hypothesis Tests about Proportions

Unit 26 – Estimation with Confidence Intervals

Unit 27 – One-Way Analysis of Variance

Unit 28 – Multiple Comparisons

Unit 29 – Chi-Square Goodness-of-Fit Test

Unit 30 – Chi-Square Test Concerning Independence

Unit 31 – A Hypothesis Test about Correlation and Slope in Linear Regression

Appendix A – Statistical Tables   &   Appendix B – Derivations and Formulas