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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.
Blood-Injection-Injury Type Phobias
Extreme fears of seeing blood or an injury or of receiving an injection or another invasive medical procedure, which cause a drop in heart rate and blood pressure and fainting.
Natural Environment Type Phobias
Fears associated with objects or situations in the natural environment, such as heights, water, or animals.
Situational Type Phobias
Phobias that are triggered by specific situations or environments, such as flying, heights, or enclosed spaces.
Animal-type Phobias
Specific phobias that involve an irrational and disproportionate fear of certain animals or insects.
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