Curated OER
Confidence Intervals: Population Proportions
In this interval worksheet, students examine given data to construct a confidence interval for a specified proportion. They also identify the minimum sample size needed to support the required margin of error around the population. Seven...
Curated OER
Confidence Intervals: Population Mean; Population Standard Deviation Unknown
In this confidence interval worksheet, students examine given statistical information to find the margin of error. They construct a confidence interval for the population and find the mean. Seven statistical problems are available on...
Curated OER
Confidence Intervals: Population Mean; Population standard Deviation Known
In this confidence interval worksheet, students examine a given confidence level and sample data to determine the margin of error, identify a confidence interval, list the mean and give the standard deviation. Students complete seven...
Statistics Education Web
Walk the Line
How confident are you? Explore the meaning of a confidence interval using class collected data. Learners analyze data and follow the steps to determine a 95 percent confidence interval. They then interpret the meaning of the confidence...
American Statistical Association
Confidence in Salaries in Petroleum Engineering
Just how confident can we be with statistics calculated from a sample? Learners take this into account as they look at data from a sample of petroleum engineer salaries. They analyze the effect sample size has on a margin of error and...
Curated OER
Two-sided Confidence Interval for a Population Proportion
In this two-sided confidence interval learning exercise, students solve 3 problems to include constructing a confidence interval for a population proportion with a large sample. First, they split the confidence and shad its cumulative...
Statistics Education Web
It Creeps. It Crawls. Watch Out For The Blob!
How do you find the area of an irregular shape? Class members calculate the area of an irregular shape by finding the area of a random sampling of the shape. Individuals then utilize a confidence interval to improve accuracy and use a...
Statistics Education Web
What Percent of the Continental US is Within One Mile of a Road?
There are places in the US where a road cannot be found for miles! The instructional activity asks learners to use random longitude and latitude coordinates within the US to collect data. They then determine the sample proportion and...
Statistics Education Web
Did I Trap the Median?
One of the key questions in statistics is whether the results are good enough. Use an activity to help pupils understand the importance of sample size and the effect it has on variability. Groups collect their own sample data and compare...
Curated OER
Random Samples and Surveys
In this random samples worksheet, students answer 4 questions, including a bonus, regarding surveys and confidence intervals.
Statistics Education Web
10,000 Steps?
Conduct an experiment to determine the accuracy of pedometers versus pedometer apps. Class members collect data from each device, analyze the data using a hypothesis test, and determine if there is a significant difference between the...
College Board
2009 AP® Statistics Free-Response Questions Form B
Is your class taking the AP® Statistics exam in the near future? You may want to take a look here. Using the 2009 AP® Statistics free-response questions Form B helps learners become familiar with the testing conditions, such as time...
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
2011 AP® Statistics Free-Response Questions Form B
Is the sequel better than the original? The 2011 AP® Statistics free-response questions, Form B, is available for instructors to reference. Among the topics covered in the exam are histograms, distributions, studies and experiments,...
College Board
2012 AP® Statistics Free-Response Questions
There's no better way to prepare your class for the AP® test format than previous exams. Instructors and scholars use the 2012 AP® Statistics free-response questions to familiarize themselves with the test. Topics covered in the exam...
College Board
2009 AP® Statistics Free-Response Questions
Preparing for a high-stakes test can be highly nerve-wracking, but understanding the test content and format helps ease the anxiety. The 2009 AP® Statistics free-response questions are available for reference. Several topics under...
College Board
2013 AP® Statistics Free-Response Questions
AP® exams don't need to be shrouded in mystery. The 2013 AP® Statistics free-response questions are available for instructors to reference. It includes questions on mean, standard deviation, normal distribution, confidence intervals,...
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,...
College Board
2011 AP® Statistics Free-Response Questions
Familiarize yourself with the AP® exam by looking at past tests. A PDF file provides the 2011 AP® Statistics free-response questions. The questions include topics such as mean, standard deviation, conditional probability, sampling...
College Board
2018 AP® Statistics Free-Response Questions
Are your classes ready for their final exams? Give them a test run with the 2018 AP® exam. The resource provides the six free-response questions covering topics such as confidence intervals, population proportions, and least-squares...
College Board
2017 AP® Statistics Free-Response Questions
Reduce testing anxiety by helping learners prepare for test day. Scholars complete six free-response questions from a released AP® exam. The questions test a variety of concepts including confidence intervals, frequency tables,...
Radford University
Are Kitchen Cabinets at the Correct Height? Lesson 6
Don't hit your head on the kitchen cabinet. Using previously collected female height data, scholars apply confidence intervals and tests of significance to perform a data analysis. They connect the data to the height
of kitchen cabinets...
American Statistical Association
More Confidence in Salaries in Petroleum Engineering
Making inferences isn't an exact science. Using data about salaries, learners investigate the accuracy of their inferences. Their analyses includes simulations and randomization tests as well as population means.
Curated OER
Sustainability: Our Environment
Learners explore the sustainability of our environment, the trend in rising temperatures and the emission of greenhouse cases. Using given data, students test and construct a confidence interval and the difference between two population...