Table 17 Comparison between the study sample responses with respect to the knowledge of renewable energy types
From: Solar energy implementation at the household level: Gaza Strip case study
| Â | Number | Arithmetic average | Standard deviation | The "T" test | The significance level |
|---|---|---|---|---|---|
Environmental benefit | |||||
 Yes | 172 | 3.609 | 0.917 | 4.096 | 0.000** |
 No | 28 | 2.625 | 1.216 |  |  |
Initial solar system cost | |||||
 Yes | 172 | 3.495 | 0.839 | 2.856 | 0.008** |
 No | 28 | 2.79 | 1.263 |  |  |
Economic savings | |||||
 Yes | 172 | 3.722 | 0.808 | 3.534 | 0.001** |
 No | 28 | 2.864 | 1.243 |  |  |
The total | |||||
 Yes | 172 | 3.609 | 0.767 | 3.772 | 0.001** |
 No | 28 | 2.76 | 1.151 |  |  |