does anova test for homogeneity of variance xlstat

The effect of this change has resulted in the changes and shifts in the patterns of the climate elements, particularly precipitation, humidity, and temperature across the globe. Global climate is reported to have witnessed a drastic change at least over the last century as observed in the Intergovernmental Panel on Climate Change’s (IPCC) fourth and fifth assessment reports. We therefore recommend that stakeholders resort to the construction of dams and boreholes to ensure regular availability of water for both domestic and agricultural uses. Generally, it can be stated that both temperature and rainfall vary in the study area with various degrees of disparities, but temperature assumes an upward trend at a faster rate. There were statistically significant ( ) differences in the interdecadal temperature over the 40-year period. With an R-square of 34.7%, the rise in temperature in Manga witnessed the most significant change in annual temperature changes. Mean temperature on the other hand experienced a significant rise ( ). The Mann–Kendall trend test showed a rise in rainfall in Binduri, Garu-Tempane, and Manga, yet none of the rainfall changes were statistically significant ( ). Whereas the SPI value of 2006 was ≥2.0, indicating extremely wet year with 2.3% probability of recurring once every 50 years, 1988 was the hottest year with temperature anomaly value of 1.2☌, while coolest years were 1979 (−1.8☌) and 1976 (−1.0☌). The long-term (40-year period) average temperature of the three stations, on the other hand, was 28.7☌, varying between 26.9☌ and 29.9☌ annually. Over the period under study, the mean annual rainfall pattern was generally erratic, fluctuating between 669.8 mm and 1339.4.6 mm with an annual average of 935.3 mm. Normality test, homogeneity test, Standardised Precipitation Index (SPI) analysis, Mann–Kendall trend test, and One-way post hoc ANOVA were performed using XLSTAT and DrinC. A forty-year (1976–2015) daily climate data was collected on three meteorological stations from the Ghana Meteorological Agency. This study sought to describe the temporal variations in temperature and rainfall in the Bawku Area of Ghana. A study exposing specific areas of concern for appropriate responses in this regard is a welcome one. With varied implications, Ghana’s temperature and rainfall are projected to rise and decline, respectively.

Does anova test for homogeneity of variance xlstat