Aresearch wants to conduct a study in two plots in a deciduous forest. the goal of the study is to look at carbon cycling under different levels of precipitation. before the study can begin, she must make sure that ph is the same in both plots. our ecology heroine determine if the ph in plot a is the same, or different than the ph in plot b.

h0: the soil ph in plot a is the same as the soil ph in plot b.

ha: the ph in plot a is different than the ph in plot b.