Research Article
Statistical Analysis of Rainfall Trend for Volta Region in Ghana
Table 9
Regression statistic results for annual and monthly rainfall for northern zone.
| | Month | Regression equation | -square | value | Statistically significant |
| | Jan | = 0.35 − 681.8 | 0.04 | 0.32 | No | | Feb | = 0.30 − 592.4 | 0.02 | 0.47 | No | | Mar | = 0.19 − 355.3 | 0.00 | 0.80 | No | | April | = 1.19 − 2285.5 | 0.03 | 0.38 | No | | May | = −2.06 + 4231.2 | 0.05 | 0.22 | No | | June | = −1.73 + 3672.1 | 0.03 | 0.30 | No | | July | = 0.91 − 1596.4 | 0.01 | 0.69 | No | | Aug | = 0.68 − 1126.2 | 0.01 | 0.75 | No | | Sept | = −0.57 + 1392.3 | 0.01 | 0.65 | No | | Oct | = 1.73 − 3318.1 | 0.03 | 0.41 | No | | Nov | = 1.05 − 2064.5 | 0.09 | 0.12 | No | | Dec | = 0.47 − 927.3 | 0.07 | 0.17 | No | | Annual | = 2.51 − 3651.9 | 0.00 | 0.80 | No |
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