A student modelled excess stock returns against excess market returns using a sample of 60 observations and got a coefficient of determination of 0. 325. Suppose you wish to test the hypotheses: H0: Excess stock returns and excess market returns are not correlated H1: Excess stock returns and excess market returns are correlated The computed t-value of the test statistic is: Select one: 2.00 2.58 4.01 1.96