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...

[Free Registration/Login may be required to access all resource tools.] This Concept introduces students to using and interpreting confidence intervals.

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...

[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...

Excellent, comprehensive site on multiple regression. Key terms are defined and explained as needed. Links to relevant topics are provided.

[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.