Professor Debra Griffins

Math 114 / 14, Pre-Statistics / Statistics

Fall 2018


Print these files using Google Chrome for best results.

WebAssign Registration Instructions

Chapter Content Homework Activities Quizzes Practice Exams

Chapter 1, Sampling and Data

1.1 Definitions of Statistics, Probability, and Key Terms

1.2 Data Sampling, and Variation in Data and Sampling

1.3 Frequency, Frequency Tables, and Levels of Measurement

1.4 Experimental Design and Ethics




1.1Key Terms

1.2.1Circle Graphs

1.2.2 Sampling

1.2.3 Biases

1.3 Levels Measurement

Video: Ice Cream Kills


Chapter 2, Descriptive Statistics

2.1 Stem-and-Leaf Graphs (Stemplots), Line Graphs, and Bar Graphs

2.2 Histograms, Frequency Polygons, and Time Series Graphs

2.3 Measures of the Location of the Data

2.4 Box Plots

2.5 Measures of the Center of the Data

2.6 Skewness of the Mean, Median, and Mode

2.7 Measures of the Spread of the Data

2.8 Descriptive Statistics


2.1 Stem-and-leaf Plots

2.4 Box Plots

2.7 SAT Scores Activity


Chapter 3, Probability Topics

3.1 Terminology

3.2 Independent and Mutually Exclusive Events

3.3 Two Basic Rules of Probability

3.4 Contingency Tables

3.5 Tree and Venn Diagrams

3.6 Counting Principles

Monty's Dilemma

Contingency Table Activity

M&M's Probability Activity

Chapter 3, Review


Chapter 4, Discrete Random Variables

4.1 Probability Distribution Function (PDF) for a Discrete Random Variable

4.2 Mean of Expected Value and Standard Deviation

4.3 Binomial Distribution

4.4 Geometric Distribution (No file)

4.6 Poisson Distribution (No file)




Chapter 5, Continuous Random Variables

5.1 Continuous Probability Functions

5.2 The Uniform Distribution

5.3 The Exponential Distribution (No file)

5.4 Continuous Distribution (No file)




Chapter 6, The Normal Distribution

6.1 The Standard Normal Distrubution

6.2 Using the Normal Distribution

6.3 Normal Distribution (Lap Times) (No file)

6.4 Normal Distribution (Pinkie Length)(No file)


Normal Curve Template

Oversold Flight Problem


Chapter 7, The Central Limit Theorem

7.1 The Central Limit Theorem for Sample Means (Averages)

7.2 The Central Limit Theorem for Sums

7.3 Using the Central Limit Theorem

7.4 Central Limit Theorem (Pocket Change) (No file)

7.5 Central Limit Theorem (Cookie Recipes) (No file)

Confidence Interval Activity


Chapter 8, Confidence Intervals

8.1 A Single Population Mean using the Normal Distribution

8.2 A Single Population Mean using the Student t distribution

8.3 A Population Proportion

8.4 Confidence Interval (Home Costs)

8.5 Confidence Interval (Place of Birth)

8.6 Confidence Interval (Women's Heights)




9.1 Null and Alternative Hypotheses

9.2 Outcomes and the Type I and Type II Errors

9.3 Distribution Needed for Hypothesis Testing

9.4 Rare Events, the Sample, Decision and Conclusion

9.5 Additional Information and Full Hypothesis Test Examples

9.6 Hypothesis Testing of a Single Mean and Single Proportion