Concept explainers
a.
State whether the slope of the line is expected to be positive or negative.
b.
Construct the
State whether the pattern revealed by the scatterplot agreed with the answer given in Part (a).
c.
Find the estimated slope and y-intercept.
Write the equation of the least square line.
d.
Construct a graph that depicts the least square line using the scatterplot for the data.
State whether the least square line seems to fit the points on the scatterplot.
e.
Interpret the estimates of
f.
Test whether there is a positive linear relationship that exists between the number of games won (y) and batting average (x).
g.
Find the coefficient of determination
h.
State whether predicting the number of games won by a team during 2013 using the model is recommended or not.
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