Research Article
Statistical Analysis of Rainfall Trend for Volta Region in Ghana
Table 2
LSD multiple comparisons of mean annual rainfall of the climatic zones in Volta Region from 1981 to 2011.
| | Zones | () zone | Mean difference () | value | 95% confidence interval | | Lower bound | Upper bound |
| | Northern zone | Middle zone | 7.673 | .157 | −3.01 | 18.3556 | | Coastal zone | 46.260* | .000 | 35.57 | 56.9426 |
| | Middle zone | Northern zone | −7.673 | .157 | −18.35 | 3.0103 | | Coastal zone | 38.587* | .000 | 27.90 | 49.2699 |
| | Coastal zone | Northern zone | −46.260* | .000 | −56.94 | −35.5767 | | Middle zone | −38.587* | .000 | −49.26 | −27.9040 |
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The mean difference is significant at the 0.05 level.
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