Below you are given a partial computer output based on a sample of 8 observations, relating an independent variable (x) and a dependent variable (y). 
a.Develop the estimated regression line.
b.At = 0.05, test for the significance of the slope.
c.At = 0.05, perform an F test.
d.Determine the coefficient of determination.
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Precipitation
Any form of water, liquid or solid, that falls from the atmosphere and reaches the ground, including rain, snow, sleet, and hail.
Glucose
A simple sugar and an important energy source in living organisms, also one of the main products of photosynthesis.
Bacterium's Resource
Bacterium's Resource refers to the nutrients and environmental conditions that support the growth and survival of bacteria.
Niche
The totality of an organism’s adaptations, its use of resources, and the lifestyle to which it is fitted in its community; how an organism uses materials in its environment as well as how it interacts with other organisms; also called ecological niche. See fundamental niche and realized niche.
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