1. Statistics in WR: Lecture 13
Key Themes
ANOVA for sediment data
Fourier series for diurnal cycles
Fourier series for seasonal cycles

2. Analysis of Variance (ANOVA)
Assumptions
There are several variants (one factor, two factor, two factor with replication). We will deal just with One Factor ANOVA

3. Single Factor ANOVA

4. Single Factor ANOVA

5. ANOVA Formulas

6. Single Factor ANOVA

7. Groups of Sediment Load Data (Ex3)
480,000
USGS1 Mean
218,000 Ton/yr
TWDB Mean
189,000 Ton/yr
Overall Mean
183,000 Ton/yr
USGS2 Mean
97,000 Ton/yr
Zero