4/12/2023

Discussion of Quiz #4

Power - Examples from agenda on 4/10/2023

One-way Analysis of Variance (ANOVA) - see GoogleDrive\Stat106-ElementsofStatistics-S2022\!ClassNotes\One-way ANOVA.ppt

• Comparing k population or treatment means
• Hypotheses
• Model: Data = Fit + Error
• ANOVA table - partitioning the variability
• Test Statistic
• Computing p-values

Examples - Pokemon data from an old exam, see Exam1 F2016.doc.

• Test the hypothesis that combat power is the same for the four different species in the data set. See Pokemon.R
• Test similar hypotheses for other quantitative variables.

Multiple Comparisons

Example - Return to Pokemon.R

Class Exercises

Return to ClassDataS23_Updated.R and our data from the first week of class. Are there differences in Year for the quantitative variables?

Exam #2, covering Chapter 5-7, will be on Friday.