九、請說明貝弗里奇曲線(Beveridge Curve)的經濟模型(5分)與意義(5分)。

2. Is there evidence of a linear relationship between the numberof hours of television viewing and how overweight the child is?Please calculate the t-statistics, and use a two-tail test of at a5% significance level to support your judgment. Formulas tocalculate the t-statistics are provided as follows. (15 分)