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The following data shows the retail price for 12 randomly selected laptop computers along with their corresponding processor speeds. computers speed...

The following data shows the retail price for 12 randomly selected laptop computers along
with their corresponding processor speeds.
computers speed price $
1 2 2,689
2 1.6 1,229
3 1.6 1,419
4 1.8 2,589
5 2 2,849
6 1.2 1,349
7 2 2,929
8 1.6 1,849
9 2 2,819
10 1.6 2,669
11 1 1,249
12 1.4 1,159
a. Develop a linear equation that can be used to describe how the price depends on the
processor speed.
b. Based on your regression equation, is there one machine that seems particularly over- or
underpriced?
c. Compute the correlation coefficient between the two variables. At the .05 significance
level conduct a test of hypothesis to determine if the population correlation could be
greater than zero.
d.  Draw a box plot reflecting how the price depends on the processor speed.

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