Comment on the Validity of the Results

question 19

Essay

$\text { The screens below show the results of a test of } H_{0}:\left(\mu_{1}-\mu_{2}\right)=0 \text { against } H_{a}:\left(\mu_{1}-\mu_{2}\right) \neq 0$


Comment on the validity of the results.

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Definitions:

Nitrogen Fixation

Incorporation of nitrogen gas into ammonia.

Western Coast

The land along the western edge of a continent, facing the ocean or sea.

Chaparrals

A biome characterized by dense, spiny shrubs and a Mediterranean climate, with hot, dry summers and cool, wet winters, found in regions like California.

Temperate Deciduous Forest

A biome found in the temperate zone, characterized by trees that lose their leaves annually.