4.Shown below is a portion of a computer output for a regression analysis relating y (dependent variable) and x (independent variable).

	ANOVA
		df	SS
	Regression	1	50.58
	Residual	13	55.42
	Total	14	106.00
		Coefficients	Standard Error	t Stat
	Intercept	16.156	1.42
	Variable x	-0.903	0.26

a.	Perform a ttest and determine whether or not y and x are related. Usea= 0.05.
b.	Compute the coefficient of determination and fully interpret the meaning. Be very specific.