Question

The following data show the brand, price ( $ ) and the overall score for 6 stereo headphones that were tested by Consumer Reports. The overall score is based on sound quality and effectiveness of ambient noise reduction. Scores range from 0 (lowest) to 100 ( highest) The estimated regression equation for these data is y-hat = 25.147 + 0.299x , where x = price ( $ ) and y = overall score.

Brand	Price	Score
Bose	180	75
Scullcandy	150	72
Koss	85	61
Phillips/O'Neill	60	56
Denon	70	40
JVC	55	26

Round your answers to three decimal places.

A.) Compute SST, SSR, SSE

SST	[     ]	(to 3 decimals)
SSR	[      ]	(to 3 decimals)
SSE	[      ]	(to 3 decimals)

B.) Compute the coefficient of determination r ^2.

r ^2 = [     ]  

C.) What is the value of the sample correlation coefficient?

Rxy = [       ]

Answer 1