5. To sell its product, an automobile company made TV commercials of various lengths and tested viewers' recognition of the automobile on a 5-point scale. Using 40 viewers, b1 = .002, the standard error of estimate is .12 and sx2 is 21. Using a 10% level of significance and a hypothesis test for the slope, is there a linear relationship between the two variables?

Using excel and show funsctions if possible