Most introductory stats courses split into two parallel tracks: dealing with means (averages) and dealing with proportions (percentages/ratios). Volume 7 is laser-focused on proportions.
Are two categorical variables independent? math tutor dvd statistics vol 7
: Practice with real-world scenarios to determine if there are statistically significant differences between group means. Key Features of the Course Mastering Inferential Statistics: A Deep Dive into Math
Understanding its properties, how to use F-tables, and its role in comparing variances. One-Way ANOVA Basics: The Grand Mean: ( O ) = observed frequency ( E
The DVD spend 20 minutes on this one problem, discussing why we use 1.96, what happens if we try 90% confidence, and how to interpret the answer in a real report.