Let Y and X represents inflation rate and unemployment rate respectively. The regression model defined for Phillips Curv

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Let Y and X represents inflation rate and unemployment rate respectively. The regression model defined for Phillips Curve relationship, Y= ß1 + ẞ2X + u, is estimated using the 35 years of annual data and the findings are obtained as the following.
∑x^2 = 2688
∑y^2 = 556
Ý = (1.2) (0.15)
a) Test at 5% signifivance level if the slope coefficient is statistically significant using a t- test. Interpret the result statistically and pratically. Discuss whether your finding supports theorical expectations of Phillips curve.