Curated OER
Estimating the Mean State Area
Seventh grade statisticians randomly select five states and then determine the mean area. The class then works together to create a dot plot of their results.
Discovery Education
Fuss About Dust
Dust is everywhere around us; it's unavoidable. But what exactly is dust and are certain locations dustier than others? These are the questions students try to answer in an interesting scientific investigation. Working independently or...
Curated OER
Valentine Marbles
if you've ever had to guess how many items were in a jar, then this problem is for you! With a big jar full of red and white marbles, does picking a sample of 16 allow your learners to get a good estimate on the percentages of each...
Curated OER
Random Statistics
Seventh and eighth graders solve and complete 20 various types of short answer problems. First, they write a brief description of themselves including those as stated. Then, learners categorize the type of sampling used in various...
Curated OER
Surveys and Sampling Methods
Math whizzes select the statement that best describes the type of sampling being described. Each of the five problems describes a situation and students are presented with options options. An interactive hint button is provided for each...
Curated OER
Boxing Up
Middle schoolers explore the relationship between theoretical and experimental probabilities. They use a box model to enter data provided and to randomly draw tickets from the box. Pupils click on any bar in a chart to display the...
Curated OER
Random Sampling
In this random sampling worksheet, students compare data collected by a random sample to data collected by an actual count using pieces of paper with numbers written on them. They compare their data for the actual count to the random...
Curated OER
Designing Samples/Simple Random Samples
Students consider the advantages and disadvantages of various sampling techniques. They define a simple random sample and identify possible sources of bias in other types of samples. Answer Key included.
Curated OER
Designing Samples/Simple Random Samples
Students explore the concept of sampling techniques. In this sampling techniques lesson, students identify possible sources of bias in situations such as phone polls, supermarket surveys, and drawing names from a phone book. Students...