Explore the idea of a confidence interval where it is easier to predict that an unknown value will lie somewhere within a wide range, than to predict it will occur within a narrow range.

Students learn about confidence intervals. Topics explored are the Central Limit Theorem, large sample confidence intervals, and confidence intervals for small samples. The tutorial investigates the statistics concept through class notes...

This set contains questions about statistics regarding confidence intervals for means. Students analyze the relationship, concerning means, between confidence levels and the length of confidence intervals.

In this activity, students estimate statistical measures and find confidence intervals.

Based off of the hit television show NUMB3RS, this lesson introduces students to confidence intervals by using a simulation. Students use a calculator (or random number table) to simulate a situation with a certain success rate, and then...

This set contains questions about statistics involving how to choose a sample size to fit a desired maximum error bound. The student learns to do this on confidence intervals for proportions as well as confidence intervals for means.

Students understand how tests of significance can be performed with confidence intervals. They use a simulation to clarify the meaning of a hypothesis. Students examine large sample tests for a proportion, mean, difference between two...

[Free Registration/Login may be required to access all resource tools.] This Concept introduces students to testing variance using the chi-square distribution as well as creating a confidence interval for the variance.

An online course on the fundamentals of statistics including video lessons in Mean, Median, and Mode; Weighted Averages; Quartiles and Boxplots; Range and Standard Deviation; Normal Distribution; Z-scores; Intro to Inferential...

This site from the Richland Community College provides a complete definition of the coefficient of determination is provided here, along with related topics: coefficient of non-determination finding variations, standard error of an...

In this activity, students test if a significant relationship exists between a bivariate data set, and then calculate the confidence and predictive intervals. They also improve the interval-prediction capabilities by automating the process.

The online course consists of educational materials about probability and statistics. Lecture notes, exams, and assignments are included.

This World of Mathematics site by Eric Weisstein explains the term "Standard deviation." Provides step-by-step help, examples, and charts.

Upper elementary, middle, and high school students can use this exhibit to get an understanding of how polls and elections are conducted. The discussion includes random samples, margins of error, and other concepts related to statistics.

This hands-on activity is appropriate for a lab or discussion section for an introductory statistics class, with 8 to 40 students. Each student performs a binomial experiment and computes a confidence interval for the true binomial...

Students perform single and two-sample t procedures to investigate special cases of normally distributed data. They explore inference for a least-square regression line, including the confidence interval.

Dozens of statistical terms are defined and illustrated in this glossary.

A really nice distinction here in this longish piece from the Bellevue Community College. It's not just accuracy vs. precision, but also error vs. uncertainty. This is a necessary additional consideration for any paper on the topic.

[Free Registration/Login may be required to access all resource tools.] This Concept demonstrates how to use ANOVA to compare multiple means as pairs of hypotheses.