Question

The following data show the retail price for 12 randomly selected laptop computers along with their corresponding processor speeds in gigahertz.


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 is greater thanzero.


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  • CreatedDecember 10, 2014
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