Curated OER
How Dense is Salt Water?
Young schoolers explore the concept of linear regression. They determine the mass and density of salt water. Pupils add salt to water and record the density as salinity increases, and perform a linear regression on the data to model the...
American Statistical Association
Nonlinear Modeling: Something Fishy
There are plenty of fish in the sea, but only a few good resources on regression. Young mathematicians first perform a linear regression analysis on provided weight and length data for fish. After determining that a linear model is not...
Flipped Math
Correlation
Determine how close the line is to the scatter plot. Clear video instruction shows how to plot a scatter plot and find the best fit line using the linear regression function on a calculator. Pupils use the information from the calculator...
Flipped Math
Unit 5 Review: Bivariate Data
The data says it's a wrap. Pupils work through four review questions with multiple parts dealing with bivariate data. Questions cover creating and interpreting two-way tables and scatter plots with lines of best fit. Scholars finish up...
US Department of Commerce
Educational Attainment and Marriage Age - Testing a Correlation Coefficient's Significance
Do women with college degrees get married later? Using a provided scatter plot of the percentage of women who earn bachelor's degrees and the median age at which women first get married over time, pupils conduct a linear regression...
Radford University
At the Gas Pump
Given the price of crude oil, gasoline, and diesel for the past several years, pupils plot the data to determine whether a correlation exists. Learners determine a regression line and predict the price of gasoline and diesel in the...
Radford University
Action Bungee Jump
Drop scatter plots onto the class. Teams collect data to determine how far an action figure will fall suspended by rubber bands. Using the collected data, groups determine a line of best fit. Given a drop height, they also determine the...
Radford University
Exploring Equations through Life Goals
What do I want to do when I grow up? Learners research job categories and determine a career within the category. Using the chosen job, pupils find the hourly wage and calculate future income based on percentage wages. Individuals then...
Radford University
Real World Data
Make math class feel more real by using real-world data. Scholars research or collect data on several different topics, such as nutrition, the motion of moving objects, cooling curves, and daylight hours. They create scatter plots using...
Radford University
How Is Your Gender Represented?
Does the media shape people's views on gender? Scholars use data on gender portrayal in magazines to explore the idea. They use a spreadsheet program to create bar graphs and perform a chi-square test. They also use provided data to...
Radford University
Got Slope?
Go around and around with slope. The class investigates tornadoes by watching videos, building a homemade tornado, and performing research on the Storm Prediction Center website. Groups gather data and create scatter plots for twisters...
Radford University
Earthquake Problem
Shake up things in the classroom. The unit uses earthquakes to bring a real-life connection to finding arc lengths, logarithms, and equations of circles. Small groups determine whether particular towns would have felt an earthquake after...
Radford University
Down on Sue's Farm
When would a farmer use math? Class members work through five tasks on a farm that require knowledge of surface area, volume, and determining regression equations. The challenges range from figuring out the amount of paint to buy,...
Radford University
Environmental Issues
Pupils investigate the air pollution situation in China by fitting a curve to historical data. They dig deeper into environmental issues that are of interest and provide a mathematical analysis of the issue. Class members develop a route...
Rice University
Introductory Statistics
Statistically speaking, the content covers several grades. Featuring all of the statistics typically covered in a college-level Statistics course, the expansive content spans from sixth grade on up to high school. Material comes from a...
College Board
2004 AP® Statistics Free-Response Questions Form B
Over the years, data analysis has been important. Looking back to the 2004 AP® Statistics Form B free-response questions, pupils and teachers see the importance of analysis of data sets. The six questions contain analysis of data on...
College Board
2003 AP® Statistics Free-Response Questions Form B
Update the statistics in your course using older AP® questions. The 2003 AP® Statistics free-response questions cover several of the concepts in the current statistics standards for all pupils. Items contain questions about determining...
College Board
1998 AP® Statistics Free-Response Questions
Free-response questions form the 1998 AP® Statistics exam allow class members to analyze data from real-life situations. The situations include tracking defective parts, tracking butterflies, evaluating weed killers and determining...
College Board
2005 AP® Statistics Free-Response Questions
A little context will go a long way. The six released free-response questions from the 2005 exam, show how AP® Statistics uses context within their problems. Pupils use the questions to practice their statistics skills within real-world...
College Board
2006 AP® Statistics Free-Response Questions
Catapult the class into the test. Released items from the free-response section of the 2006 AP® Statistics exam ask individuals to use statistics to figure out the best catapult for determining the accuracy of thermometers. The six...
PHET
Least-Squares Regression
Less is best when looking at residuals. Scholars use an interactive to informally fit a linear regression line to data on a scatter plot. The interactive provides a correct best fit line with residuals and correlation coefficient to...
College Board
2007 AP® Statistics Free-Response Questions
Knowing the questions ahead of time should be beneficial. Free-response questions released from the 2007 AP® Statistics tests provide teachers and pupils insight into the types of questions on the exam. The six open-ended questions show...
College Board
2010 AP® Statistics Free-Response Questions Form B
Form a good familiarity with the AP® test using Form B of the 2010 AP® Statistics free-response questions. Pupils use a test from a previous administration to prepare for their exams. A set of six questions assesses box plots,...
College Board
2010 AP® Statistics Free-Response Questions
Familiarity with the AP® exam is highly beneficial for test-takers. Scholars use the 2010 AP® Statistics free-response questions familiarize themselves with the test content and format. Studies and experiments, linear regression,...