Concept explainers
a.
Write the straight line model that relates the rain gauge amount
b.
Fit the model using the method of least squares.
c.
Construct a graph that depicts the least square line using the
State whether there is visual evidence of a relationship between the two variables.
Delineate whether the relationship is positive or negative.
d.
Interpret the estimates of the y-intercept and slope.
e.
Find the estimated error s and interpret the result.
f.
Test whether there is a linear relationship between the rain gauge amount
g.
Find the 99% confidence interval for
h.
Repeat the parts a-g by considering a model that relates the rain gauge amount
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