# STatistics Education Web (STEW)

STatistics Education Web (STEW) is an online resource for **peer-reviewed** lesson plans for K–12 teachers.

Statistics and probability concepts are included in K–12 curriculum standards—particularly the Common Core State Standards—and on state and national exams. STEW provides free peer-reviewed teaching materials in a standard format for K–12 math and science teachers who teach statistics concepts in their classrooms.

STEW lesson plans identify both the statistical concepts being developed and the age range appropriate for their use. The statistical concepts follow the recommendations of the *Guidelines for Assessment and Instruction in Statistics Education (GAISE) Report: A Pre-K-12 Curriculum Framework*, Common Core State Standards for Mathematics, and NCTM Principles and Standards for School Mathematics. The lessons are organized around the statistical problemsolving process in the GAISE guidelines: formulate a statistical question, design and implement a plan to collect data, analyze the data by measures and graphs, and interpret the data in the context of the original question. Teachers can navigate the STEW lessons by grade level and statistical topic.

##### Submit a Lesson Plan

Consider submitting your favorite lesson plans to STEW and encouraging your colleagues to do the same. STEW needs your participation to be a growing resource for statistics and probability teachers.

Lesson plans should follow the standard STEW template. Example plans include the following:

Send lesson plans to steweditor@amstat.org for publication consideration.

## Lesson Plans

### Grades K-5

**The Gumball Machine
**

*Alexander White, M. Alejandra Sorto, Rini Oktavia
*

26 April 2014

Samples, Sampling Variation, Experimental Probability

PDF Format Word Format

**Speedster
**

*Debra L. Hydorn
*

14 August 2012

Median, Range, Line Plots, Unit Conversions

PDF Format Word Format

**Candy Judging**

*Susan Haller
*

22 February 2012

Bar Graphs

PDF Format Word Format

**Spinners at the School Carnival (Equal Sections)
**

*Janis Carthon
*

22 February 2012

Simulations, Bar Graphs, Frequency Tables

PDF Format Word Format

**Spinners at the School Carnival (Unequal Sections)**

*Maryann E. Huey
*

22 February 2012

Simulations, Bar Graphs, Frequency Tables

PDF Format Word Format

**The Taste of Yellow
**

*Debra L. Hydorn
*

22 February 2012

Pie Charts

PDF Format Word Format

### Grades 6-8

**How Random is the iPod’s Shuffle?
**

*Joan Garfield, Laura Ziegler*

14 May 2014

Randomly Generated Data, Probability

PDF Format Word Format

**Bubble Trouble!
**

*Peter Banwarth
*

13 May 2014

Comparing Distributions, Descriptive Statistics, Comparative Boxplots

PDF Format Word Format

**Happy Birthday to . . . Two?
**

*Dustin Jones
*

11 August 2013

Theoretical Probability, Subjective Probability, Experimental Probability, Simulations

PDF Format Word Format

**What Fits?
**

*Anna Bargagliotti, Stephanie Casey
*

20 February 2013

Scatterplots, Line of Best Fit

PDF Format Word Format

**Exploring Geometric Probabilities with
Buffon’s Coin Problem
**

*Kady Schneiter
*

2 October 2012

Geometric, Empirical, and Theoretical Probability, Simulations

PDF Format Word Format

**Armspans
**

*Debra L. Hydorn
*

14 August 2012

Comparing Two Distributions, Descriptive Statistics, Comparative Boxplots

PDF Format Word Format

**Bear Hugs
**

*Subhash Bugui, Mary Richardson
*

10 July 2012

Comparing Two Distributions, Descriptive Statistics, Boxplots, Comparative Boxplots, Scatterplots

PDF Format Word Format

**What is the Probability of “Pigging Out”?
**

*Mary Richardson, Susan Haller
*

26 April 2012

Theoretical, Subjective, and Experimental Probability, Simulations, Probability Area Model

PDF Format Word Format

**Tell It Like It Is!
**

*David J. Edwards
*

18 April 2012

Writing a Statistical Conclusion

PDF Format Word Format

**Step Into Statistics
**

*Subhash Bagui
*

27 March 2012

Comparing Two Distributions, Descriptive Statistics, Boxplots, Comparative Boxplots

PDF Format Word Format

**Scatter It! (Predict Billy’s Height)
**

*Susan Haller
*

21 March 2012

Scatterplots, Line of Best Fit

PDF Format Word Format

**Scatter It! (Using Census Results)
**

*Susan Haller
*

21 March 2012

Scatterplots, Line of Best Fit

PDF Format Word Format

**How Tall and How Many?**

*Subhash Bagui
*

13 March 2012

Descriptive Statistics

PDF Format Word Format

**Don’t Spill the Beans!
**

*Stephen Miller
*

22 February 2012

Paired Data, Descriptive Statistics, Comparative Boxplots, Boxplots

PDF Format Word Format

**How Long is 30 Seconds?
**

*Debra L. Hydorn
*

22 February 2012

Comparing Two Distributions, Descriptive Statistics, Boxplots, Comparative Boxplots

PDF Format Word Format

**You and Michael
**

*Stephen Miller
*

22 February 2012

Scatterplots, Line of Best Fit

PDF Format Word Format

### Grades 9 – 12

**Odd or Even? The Addition and Complement Principles of Probability
**

*Wendy Weber, Carrie Even, Susannah Weaver
*

30 November 2015

Probability rules, mutually exclusive events, complement, unions

PDF Lesson, PDF Handout, Word handout

**I Always Feel Like Somebody's Watching Me
**

*Mary Richardson, Paul Stephenson
*

27 September 2014

Confidence Interval for a Proportion, Hypothesis Test on a Proportion, Two-Way Frequency Table, Chi-Square Test, Binomial Distribution, Binomial Test

PDF Format Word Format

**It Creeps. It Crawls. Watch Out For the Blob!**

*John Gabrosek*

24 September 2014

Simple Random Sample, Sampling Variability, Confidence Interval for a Mean, Interpretation of Confidence Level

PDF Format Word Format

**Double Stuffed?
**

*Allison Dorko
*

30 June 2014

Hypothesis Testing (Two Sample t-test)

PDF Format Word Format

**Are Female Hurricanes Deadlier than Male Hurricanes?**

*Mary Richardson
*

13 June 2014

Mean, Standard Deviation, Median, Outlier, Five-Number-Summary, Comparative Boxplots

PDF Format Word Format

**How Wet is the Earth?
**

*Laura Ring Kapitula, Paul Stephenson*

11 June 2014

Sample, Sampling Variability, Sampling Distribution of a Sample Proportion, Confidence Interval for a Proportion, Interpretation of Confidence Level

PDF Format Word Format

**You Will Soon Analyze Categorical Data (Classifying Fortune Cookie Fortunes)
**

*Mary Richardson
*

25 May 2014

Two-Way Frequency Table, Joint Relative Frequency, Marginal Relative Frequency, Conditional Relative Frequency, Chi-Square Test of Homogeneity

PDF Format Word Format

**Now You SeeIt, Now You Don't: Using SeeIt To Compare Stacked Dotplots to Boxplots
**

*Alberto Guzman-Alvarez, Amy Falk Smith,
Marco Molinaro
*

24 May 2014

Dotplots, Boxplots, Comparing Distributions

PDF Format Word Format

**10,000 Steps?**

*Phyllis Curtiss, Mary Richardson*

23 May 2014

Paired (Matched) Samples, Paired t-test, Assessing Normality

PDF Format Word Format

**First Day Statistics Activity--Grouping Qualitative Data**

*R. B. Campbell
*

29 April 2014

Grouping Qualitative Data, Frequency Table

PDF Format Word Format

**A Sweet Task**

*Elizabeth Fiedler, Sharon Flinspach, Maryann Huey, Brandon Jenkins
*

17 April 2014

Frequency Tables, Two-Way Frequency Tables, Probability, Joint and Marginal Probability

PDF Format Word Format

**What Percent of the Continental US is Within One Mile of a Road?
**

*Sara Stoudt, Yue Cao, Dana Udwin*

29 March 2014

Sample, Sampling Variability, Confidence Interval for a Proportion, Interpretation of Confidence Level

PDF Format Word Format

**Did I Trap The Median?
**

*Sarah Parks, Mathew Steinwachs, Rafael Diaz, Marco Molinaro*

25 November 2013 Five-Number-Summary, Boxplots, Confidence Interval for Median, Confidence Level, Simulations

PDF Format Word Format

**Text Messaging is Time Consuming! What Gives?
**

*Jeanie Gibson, Mary McNelis, Anna Bargagliotti
*

27 August 2013

Simple Linear Regression, Correlation, Slope, Intercept, Sampling Distribution of Slope, Sampling Distribution of Intercept, Sampling Distribution of Correlation Coefficient

PDF Format Word Format

**Types of Average and Sampling: "Household Words" to Dwell On**

*Lawrence Mark Lesser*

13 August 2013

Average, Sampling, Sampling Bias

PDF Format Word Format

**Consuming Cola
**

*Nancy Sundheim
*

29 July 2013

Extraneous Variables, Experiments, Independent Samples, Matched (Paired) Samples

PDF Format Word Format

**NFL Quarterback Salaries**

*Jeanie Gibson, Anna Bargagliotti
*

26 July 2013

Scatterplots, Simple Linear Regression, Coefficient of Correlation, Coefficient of Determination

PDF Format Word Format

**Saga of Survival (Using Data about Donner Party to Illustrate Descriptive Statistics)
**

*Mary Richardson, Neal Rogness
*

16 July 2013

Comparing Distributions, Comparative Boxplots, Descriptive Statistics, Two-Way Frequency Tables, Conditional Probability

PDF Format Word Format

**What Does the Normal Distribution Sound Like?**

*Anana Jayawardhana
*

13 June 2013

Frequency Distribution, Histogram, Smoothed Curve, Normal Distribution, Rate of Change

PDF Format Word Format

**Colors Challenge!
**

*Diann Reischman*

10 June 2013

Comparing Two Distributions, Descriptive Statistics, Comparative Boxplots

PDF Format Word Format

**The Case of the Careless Zookeeper
**

*Matt Malloure, Mary Richardson, Neal Rogness
*

20 February 2013

Two-Way Frequency Table, Conditional Distribution, Chi-Square Test

PDF Format Word Format

**Population Parameter with M&M's**

Anna Bargagliotti, Jeanie Gibson

17 February 2013

Population Proportion, Sampling Distribution of a Sample Proportion

PDF Format Word Format

**The United States of Obesity**

*Matt Malloure, Mary Richardson, Diann Reischman, Paul Stephenson*

21 January 2013

Choropleth Map, Scatterplots, Simple Linear Regression, Correlation, Residual, Outlier, Prediction, Extrapolation

PDF Format Word Format

**Who Sends the Most Text Messages?
**

*Anna Bargagliotti, Jeanie Gibson
*

21 January 2013

Sampling Distribution of a Sample Mean

PDF Format Word Format

**When 95% Accurate Isn't
**

*Todd Cadwallader Olsker
*

20 November 2012

Conditional Probability, Bayes’ Theorem, Simulation, Empirical Probability

PDF Format Word Format

**Chocolicious
**

*Stephanie Running
*

30 August 2012

Population, Sample, Survey, Bias

PDF Format Word Format

**Walk the Line**

*Maryann Huey
*

18 August 2012

Assessing Normality, Confidence Interval for a Mean

PDF Format Word Format

**It's Elemental! Sampling form the Periodic Table
**

*Matt Malloure, Mary Richardson
*

16 August 2012

Simple Random Sample, Stratified Random Sample, Systematic Random Sample, Cluster Random Sample, Simulation

PDF Format Word Format

**Using Dice to Introduce Sampling Distributions**

*Mary Richardson
*

11 July 2012

Sampling Distribution of a Sample Proportion, Confidence Interval for a Proportion

PDF Format Word Format

**How High Can You Jump?
**

*Diann Reischman*

13 March 2012

Comparing Two Distributions, Descriptive Statistics, Comparative Boxplots, Scatterplots

PDF Format Word Format

**Sampling in Archaeology
**

*Mary Richardson
*

2 March 2012

Simple Random Sample, Stratified Random Sample, Systematic Random Sample, Cluster Random Sample, Simulation

PDF Format Word Format

**An A-MAZE-ING Comparison
**

*Matt Malloure, Mary Richardson, Neal Rogness
*

22 February 2012
Hypothesis Testing (Two-Sample t test)

PDF Format Word Format

##### STEW Editor and Associate Editors

STEW operates similar to an ASA journal. It has an editorial board consisting of an editor and associate editors. Authors submit proposed activities to the editor according to a template prepared for that purpose. The editor has the responsibility of determining which material meets the guidelines for posting on the website. Generally, this is done by passing the material to an associate editor for review and comments.

The ASA/NCTM Joint Committee on Curriculum in Probability and Statistics (K–12) is responsible for appointing an editor for the STatistics Education Web (STEW). If you are interested in being an associate editor to review articles, send your name, email address, and a brief description of your qualifications to steweditor@amstat.org.

**Editor:** Hollylynne Lee, North Carolina State University

**Associate Editors:** Carol Joyce Blumberg (Winona State University), Stephanie Casey (Eastern Michigan University), Susan Friel (The University of North Carolina), Leigh Johnson (Capital University), Gemma Mojica (The University of North Carolina), Jennifer Nickell (North Carolina State University), and Amy Wagler (The University of Texas at El Paso)

##### Copyright****

Authors maintain copyright of their published material in STEW. Any person requesting permission to use materials from a STEW lesson in a publication must obtain permission from the author of the lesson. Copyright transfers to STEW at the time of the author's demise.

The American Statistical Association/National Council of Teachers of Mathematics Joint Committee oversees STEW. In that capacity, the Joint Committee recommends that authors and STEW require of those that request permission to use their lessons in a publication a signed document that guarantees that the author and STEW will be properly credited in the publication.