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 | 1.095 | 2 | 0.547 | 0.523 | 0.593// |
 Within groups | 206.052 | 197 | 1.046 | ||
 The total | 207.147 | 199 |  | ||
Initial solar system cost | |||||
 Between groups | 4.288 | 2 | 2.144 | 2.468 | 0.087// |
 Within groups | 171.156 | 197 | 0.869 | ||
 The total | 175.445 | 199 |  | ||
Economic savings | |||||
 Between groups | 0.412 | 2 | 0.206 | 0.238 | 0.788// |
 Within groups | 170.627 | 197 | 0.866 | ||
 The total | 171.039 | 199 |  | ||
The total | |||||
 Between groups | 1.548 | 2 | 0.774 | 1.001 | 0.369// |
 Within groups | 152.202 | 197 | 0.773 | ||
 The total | 153.749 | 199 |  |