Exercise 2 (related to Ch.14) - 10 points

The following data show the brand , price ($), and the overall score for six stereo headphones that were tested by Consumer Reports website in 2014. The overall score is based on sound quality and effectiveness of ambient noise reduction. Score range from 0 (lowest) to 100 (highest). X=price, Y=overall score.

BRAND	PRICE ($)	SCORE
Bose	180	76
Skullcandy	150	71
Koss	95	61
Phillips	70	56
Denon	70	40
JVC	35	26

1/ Develop estimated regression equation.

2/ Compute SST, SSE, SSR.

3/ Compute coefficient of determination.

4/ Compute coefficient of correlation.

Interpret results.