From: Solar energy implementation at the household level: Gaza Strip case study
 | Squares’ sum | Degree of freedom | Average squares value | "F" test | Significance level |
---|---|---|---|---|---|
Environmental benefit | |||||
 Between groups | 5.045 | 2 | 2.523 | 2.459 | 0.088// |
 Within groups | 202.102 | 197 | 1.026 | ||
 The total | 207.147 | 199 |  | ||
Initial solar system cost | |||||
 Between groups | 3.116 | 2 | 1.558 | 1.781 | 0.171// |
 Within groups | 172.328 | 197 | 0.875 | ||
 The total | 175.445 | 199 |  | ||
Economic savings | |||||
 Between groups | 0.756 | 2 | 0.378 | 0.437 | 0.646// |
 Within groups | 170.283 | 197 | 0.864 | ||
 The total | 171.039 | 199 |  | ||
The total | |||||
 Between groups | 2.608 | 2 | 1.304 | 1.7 | 0.185// |
 Within groups | 151.141 | 197 | 0.767 | ||
 The total | 153.749 | 199 |  |