In exercise 20, data on x price ($) and y overall score for ten 42-inch plasma televisions tested by Consumer Reports provided the estimated regression equation yˆ 12.0169

.0127x. For these data SSE 540.04 and SST 982.40. Use the F test to determine whether the price for a 42-inch plasma television and the overall score are related at the

.05 level of significance.

With x price ($) and y rating, the estimated regression equation is yˆ 58.158 .008449x. For these data, SSE 173.88 and SST 756.

Does the evidence indicate a significant relationship between price and rating?