Consider the following prices and accuracy ratings for 27 stereo speakers.
(a) Make a scatter plot of accuracy rating as a function of price.
(b) Calculate the correlation coefficient. At α = .05, does the correlation differ from zero?
(c) In your own words, describe the scatter plot.

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Price and Accuracy of Selected Stereo Speakers (n 27) Brand and Model Type Price (S) Accuracy BIC America Venturi DV62i Bose 141 Bose 201 Series V Shelf Shelf Shelf 200 100 220 91 86 89 Sony SS-MB350H Sony SS-MF750H ony SS-X30ED Shelf Floor Shelf 100 280 500 92 91 83