SME
Grade 12 Math
Analysis of variance (ANOVA) and the F distribution
The main lesson, then each kind of problem it solves.
Analysis of variance (ANOVA) and the F distribution
Main lesson
Three groups from their means and SDs
Use this for “Three groups of 5 have means 10, 14 and 12 and SDs 2, 3 and 2. Do the means differ?”
Comparing two variances
Use this for “Two samples of 16 have SDs 6 and 4. Are the population variances different?”
Which test fits the question?
Use this for “Do the mean scores of three classes differ? Which test do you use?”